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Biochemistry: The Composition of Living Matter
Introduction:
Ever wondered what makes you, you? What intricate machinery drives the processes of life, from the beating of your heart to the thoughts swirling in your brain? The answer lies in biochemistry, the fascinating study of the chemical processes within and relating to living organisms. This comprehensive guide delves into the composition of living matter, exploring the fundamental building blocks and intricate interactions that make life possible. We'll unpack the major classes of biomolecules, their structures, and their crucial roles in maintaining life's delicate balance. Prepare to embark on a journey into the microscopic world that governs the macroscopic marvels of life itself.
The Fundamental Building Blocks: Elements of Life
Life, as we know it, isn't built from random elements. A relatively small number of elements play crucial roles in forming the molecules essential for life. The most prominent are:
Carbon (C): The cornerstone of organic chemistry, carbon's unique ability to form four stable covalent bonds allows it to create the complex, diverse structures necessary for life.
Hydrogen (H): The most abundant element in the universe, hydrogen is a vital component of water and many organic molecules.
Oxygen (O): Essential for respiration and energy production, oxygen plays a crucial role in oxidizing fuel molecules to release energy.
Nitrogen (N): A key component of amino acids (building blocks of proteins) and nucleic acids (DNA and RNA).
Phosphorus (P): Found in nucleic acids and ATP (adenosine triphosphate), the primary energy currency of cells.
Sulfur (S): Important in some amino acids and protein structure.
While these six elements are the most prevalent, other trace elements like iron, magnesium, calcium, and potassium also play critical roles in various biological processes.
Major Classes of Biomolecules: The Molecular Workforce
Life's complexity arises from the intricate interplay of various classes of biomolecules. These large molecules are responsible for the structure, function, and regulation of all living organisms. Let's examine the primary players:
1. Carbohydrates: Energy Sources and Structural Components
Carbohydrates, composed of carbon, hydrogen, and oxygen, serve as primary energy sources (glucose) and structural components (cellulose in plants, chitin in insects). They are classified into monosaccharides (simple sugars), disaccharides (two monosaccharides linked), and polysaccharides (long chains of monosaccharides).
2. Lipids: Diverse Roles in Energy Storage and Cell Structure
Lipids, a diverse group of hydrophobic molecules, are essential for energy storage (triglycerides), cell membrane structure (phospholipids), and hormone signaling (steroids). They are largely composed of carbon and hydrogen, with relatively little oxygen.
3. Proteins: The Workhorses of the Cell
Proteins are arguably the most versatile biomolecules. Composed of chains of amino acids linked by peptide bonds, proteins carry out a vast array of functions, including enzymatic catalysis, structural support, transport, defense (antibodies), and signaling. Their three-dimensional structure is crucial to their function.
4. Nucleic Acids: The Information Carriers
Nucleic acids, DNA and RNA, store and transmit genetic information. They are composed of nucleotides, each consisting of a sugar, a phosphate group, and a nitrogenous base (adenine, guanine, cytosine, thymine, or uracil). DNA forms the double helix structure, while RNA exists in various forms with diverse functions in protein synthesis.
The Interplay of Biomolecules: A Delicate Dance
The biomolecules described above don't operate in isolation. Their intricate interactions are essential for maintaining life. For example, enzymes (proteins) catalyze metabolic reactions involving carbohydrates and lipids, while nucleic acids direct the synthesis of proteins. This dynamic interplay creates a complex network of reactions that sustains life.
Conclusion:
Understanding the composition of living matter—the elements and biomolecules that form the foundation of life—is crucial to comprehending the complexities of biological systems. Biochemistry provides the framework for understanding how these components interact to create the remarkable diversity and functionality of living organisms. Further exploration into this field reveals the breathtaking elegance and intricate design of life itself.
FAQs
1. What is the difference between DNA and RNA? DNA is a double-stranded helix that stores genetic information long-term, while RNA is typically single-stranded and plays diverse roles in protein synthesis and gene regulation.
2. How do enzymes speed up chemical reactions? Enzymes lower the activation energy required for a reaction to occur, thereby increasing the reaction rate without being consumed in the process.
3. What is the role of ATP in living organisms? ATP serves as the primary energy currency of cells, providing the energy needed for various cellular processes.
4. What are some examples of polysaccharides and their functions? Starch (energy storage in plants), glycogen (energy storage in animals), and cellulose (structural component in plant cell walls) are examples of polysaccharides.
5. How does the structure of a protein relate to its function? The three-dimensional structure of a protein, determined by its amino acid sequence and interactions, is crucial for its ability to bind to other molecules and carry out its specific function.
biochemistry the composition of living matter: Molecular Biology of the Cell , 2002 |
biochemistry the composition of living matter: Medical Biochemistry Antonio Blanco, Gustavo Blanco, 2022-03-23 This second edition of Medical Biochemistry is supported by more than 45 years of teaching experience, providing coverage of basic biochemical topics, including the structural, physical, and chemical properties of water, carbohydrates, lipids, proteins, and nucleic acids. In addition, the general aspects of thermodynamics, enzymes, bioenergetics, and metabolism are presented in straightforward and easy-to-comprehend language. This book ties these concepts into more complex aspects of biochemistry using a systems approach, dedicating chapters to the integral study of biological phenomena, including cell membrane structure and function, gene expression and regulation, protein synthesis and post-translational modifications, metabolism in specific organs and tissues, autophagy, cell receptors, signal transduction pathways, biochemical bases of endocrinology, immunity, vitamins and minerals, and hemostasis. The field of biochemistry is continuing to grow at a fast pace. This edition has been revised and expanded with all-new sections on the cell plasma membrane, the human microbiome, autophagy, noncoding, small and long RNAs, epigenetics, genetic diseases, virology and vaccines, cell signaling, and different modes of programmed cell death. The book has also been updated with full-color figures, new tables, chapter summaries, and further medical examples to improve learning and better illustrate the concepts described and their clinical significance. - Integrates basic biochemistry principles with molecular biology and molecular physiology - Illustrates basic biochemical concepts through medical and physiological examples - Utilizes a systems approach to understanding biological phenomena - Fully updated for recent studies and expanded to include clinically relevant examples and succinct chapter summaries |
biochemistry the composition of living matter: Guide to Biochemistry James C. Blackstock, 2014-06-28 Guide to Biochemistry provides a comprehensive account of the essential aspects of biochemistry. This book discusses a variety of topics, including biological molecules, enzymes, amino acids, nucleic acids, and eukaryotic cellular organizations. Organized into 19 chapters, this book begins with an overview of the construction of macromolecules from building-block molecules. This text then discusses the strengths of some weak acids and bases and explains the interaction of acids and bases involving the transfer of a proton from an acid to a base. Other chapters consider the effectiveness of enzymes, which can be appreciated through the comparison of spontaneous chemical reactions and enzyme-catalyzed reactions. This book discusses as well structure and function of lipids. The final chapter deals with the importance and applications of gene cloning in the fundamental biological research, which lies in the preparation of DNA fragments containing a specific gene. This book is a valuable resource for biochemists and students. |
biochemistry the composition of living matter: Concepts of Biology Samantha Fowler, Rebecca Roush, James Wise, 2023-05-12 Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy. |
biochemistry the composition of living matter: Biochemistry of Lipids, Lipoproteins and Membranes Neale Ridgway, Roger McLeod, 2015-07-24 Biochemistry of Lipids: Lipoproteins and Membranes, Volume Six, contains concise chapters that cover a wide spectrum of topics in the field of lipid biochemistry and cell biology. It provides an important bridge between broad-based biochemistry textbooks and more technical research publications, offering cohesive, foundational information. It is a valuable tool for advanced graduate students and researchers who are interested in exploring lipid biology in more detail, and includes overviews of lipid biology in both prokaryotes and eukaryotes, while also providing fundamental background on the subsequent descriptions of fatty acid synthesis, desaturation and elongation, and the pathways that lead the synthesis of complex phospholipids, sphingolipids, and their structural variants. Also covered are sections on how bioactive lipids are involved in cell signaling with an emphasis on disease implications and pathological consequences. - Serves as a general reference book for scientists studying lipids, lipoproteins and membranes and as an advanced and up-to-date textbook for teachers and students who are familiar with the basic concepts of lipid biochemistry - References from current literature will be included in each chapter to facilitate more in-depth study - Key concepts are supported by figures and models to improve reader understanding - Chapters provide historical perspective and current analysis of each topic |
biochemistry the composition of living matter: Biochemistry of Lipids, Lipoproteins and Membranes J.E. Vance, Dennis E. Vance, 1991-12-17 The second edition of this book on lipids, lipoprotein and membrane biochemistry has two major objectives - to provide anadvanced textbook for students in these areas of biochemistry,and to summarise the field for scientists pursuing research inthese and related fields. Since the first edition of this book was published in 1985 theemphasis on research in the area of lipid and membrane biochemistry has evolved in new directions. Consequently, thesecond edition has been modified to include four chapters on lipoproteins. Moreover, the other chapters have been extensivelyupdated and revised so that additional material covering the areas of cell signalling by lipids, the assembly of lipids andproteins into membranes, and the increasing use of molecular biological techniques for research in the areas of lipid, lipoprotein and membrane biochemistry have been included. Each chapter of the textbook is written by an expert in the field, but the chapters are not simply reviews of current literature. Rather, they are written as current, readable summaries of these areas of research which should be readily understandable to students and researchers who have a basic knowledge of general biochemistry. The authors were selected fortheir abilities both as researchers and as communicators. In addition, the editors have carefully coordinated the chapters sothat there is little overlap, yet extensive cross-referencing among chapters. |
biochemistry the composition of living matter: Biochemistry for Medical Professionals Tsugikazu Komoda, Toshiyuki Matsunaga, 2015-06-25 Biochemistry for Medical Professionals contains pivotal advances in the biochemistry field and provides a resource for professionals across medicine, dentistry, pharmaceutical sciences and health professions who need a concise, topical biochemistry reference. Relevant, well-illustrated coverage begins with the composition of the human body and then goes into the technical detail of the metabolism of the human body and biochemistry of internal organs before featuring a biotechnology study inclusive of numerous methods and applications. The work is written at a consistently high level, with technical notes added to aid comprehension for complex topics. - Illustrates disease involvement in metabolic maps - Contains coverage of cutting-edge technology, including iPS, HPLC and HPLC-MS, and FACS method - Provides in-depth technical detail as well as conceptual frameworks of biochemistry and experimental design in the context of the human organism - Includes a biotechnology study, featuring application of basic biochemistry principles |
biochemistry the composition of living matter: Chemistry Bruce Averill, Patricia Eldredge, 2007 Emphasises on contemporary applications and an intuitive problem-solving approach that helps students discover the exciting potential of chemical science. This book incorporates fresh applications from the three major areas of modern research: materials, environmental chemistry, and biological science. |
biochemistry the composition of living matter: Biochemistry David E. Metzler, Carol M. Metzler, 2001 Biochemistry: The Chemical Reactions of Living Cells is a well-integrated, up-to-date reference for basic chemistry and underlying biological phenomena. Biochemistry is a comprehensive account of the chemical basis of life, describing the amazingly complex structures of the compounds that make up cells, the forces that hold them together, and the chemical reactions that allow for recognition, signaling, and movement. This book contains information on the human body, its genome, and the action of muscles, eyes, and the brain. * Thousands of literature references provide introduction to current research as well as historical background * Contains twice the number of chapters of the first edition * Each chapter contains boxes of information on topics of general interest |
biochemistry the composition of living matter: Biogeochemistry of Marine Dissolved Organic Matter Dennis A. Hansell, Craig A. Carlson, 2014-10-02 Marine dissolved organic matter (DOM) is a complex mixture of molecules found throughout the world's oceans. It plays a key role in the export, distribution, and sequestration of carbon in the oceanic water column, posited to be a source of atmospheric climate regulation. Biogeochemistry of Marine Dissolved Organic Matter, Second Edition, focuses on the chemical constituents of DOM and its biogeochemical, biological, and ecological significance in the global ocean, and provides a single, unique source for the references, information, and informed judgments of the community of marine biogeochemists. Presented by some of the world's leading scientists, this revised edition reports on the major advances in this area and includes new chapters covering the role of DOM in ancient ocean carbon cycles, the long term stability of marine DOM, the biophysical dynamics of DOM, fluvial DOM qualities and fate, and the Mediterranean Sea. Biogeochemistry of Marine Dissolved Organic Matter, Second Edition, is an extremely useful resource that helps people interested in the largest pool of active carbon on the planet (DOC) get a firm grounding on the general paradigms and many of the relevant references on this topic. - Features up-to-date knowledge of DOM, including five new chapters - The only published work to synthesize recent research on dissolved organic carbon in the Mediterranean Sea - Includes chapters that address inputs from freshwater terrestrial DOM |
biochemistry the composition of living matter: Inanimate Life George M. Briggs, 2021-07-16 |
biochemistry the composition of living matter: Lipid Biochemistry Michael I. Gurr, John L. Harwood, Keith N. Frayn, 2008-04-15 Since the publication of the first edition of this successful and popular book in 1970, the subject of lipid biochemistry has evolved greatly and this fifth up-to-date and comprehensive edition includes much new and exciting information. Lipid Biochemistry, fifth edition has been largely re-written in a user-friendly way, with chapters containing special interest topic boxes, summary points and lists of suggested reading, further enhancing the accessibility and readability of this excellent text. Contents include abbreviations and definitions used in the study of lipids, routine analytical methods, fatty acid structure and metabolism, dietary lipids and lipids as energy stores, lipid transport, lipids in cellular structures and the metabolism of structural lipids. The book provides a most comprehensive treatment of the subject, making it essential reading for all those working with or studying lipids. Upper level students of biochemistry, biology, clinical subjects, nutrition and food science will find the contents of this book invaluable as a study aid, as will postgraduates specializing in the topics covered in the book. Professionals working in research in academia and industry, including personnel involved in food and nutrition research, new product formulation, special diet formulation (including nutraceuticals and functional foods) and other clinical aspects will find a vast wealth of information within the book's pages. Michael Gurr was a Visiting Professor in Human Nutrition at the University of Reading, UK and at Oxford Brookes University, UK. John Harwood is a Professor of Biochemistry at the School of Biosciences, Cardiff University, UK. Keith Frayn is a Professor of Human Metabolism at the Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, UK. |
biochemistry the composition of living matter: The Chemistry of Life’s Origins J. Mayo Greenberg, C.X. Mendoza-Gómez, Valerio Pirronello, 2012-12-06 This volume contains the lectures presented at the second course of the International School of Space Chemistry held in Erice (Sicily) from October 20 - 30 1991 at the E. Majorana Centre for Scientific Culture. The course was attended by 58 participants from 13 countries. The Chemistry of Life's Origins is well recognized as one of the most critical subjects of modem chemistry. Much progress has been made since the amazingly perceptive contributions by Oparin some 70 years ago when he first outlined a possible series of steps starting from simple molecules to basic building blocks and ultimate assembly into simple organisms capable of replicating, catalysis and evolution to higher organisms. The pioneering experiments of Stanley Miller demonstrated already forty years ago how easy it could have been to form the amino acids which are critical to living organisms. However we have since learned and are still learning a great deal more about the primitive conditions on earth which has led us to a rethinking of where and how the condition for prebiotic chemical processes occurred. We have also learned a great deal more about the molecular basis for life. For instance, the existence of DNA was just discovered forty years ago. |
biochemistry the composition of living matter: Biochemistry: A Very Short Introduction Mark Lorch, 2021-05-27 Very Short Introductions: Brilliant, Sharp, Inspiring From the simplest bacteria to humans, all living things are composed of cells of one type or another, all of which have fundamentally the same chemistry. This chemistry must provide mechanisms that allow cells to interact with the external world, a means to power the cell, machinery to carry out varied processes within the cell, a structure within which everything runs, and also governance through a web of interlocking chemical reactions. Biochemistry is the study of those reactions, the molecules that are created, manipulated, and destroyed as a result of them, and the massive macromolecules (such as DNA, cytoskeletons, proteins and carbohydrates) that form the chemical machinery and structures on which these biochemical reactions take place. It didn't take long for an understanding of the chemistry of life to turn into a desire to manipulate it. Drugs and therapies all aim to modify biochemical processes for good or ill: Penicillin, derived from mould, stops bacteria making their cell walls. Aspirin, with its origins in willow bark, inhibits enzymes involved in inflammatory responses. A few nanograms of botulinum toxin (botox), can kill by preventing the release of neurotransmitters from the ends of nerves and so leads to paralysis and death, or give a wrinkle free forehead (if administered in very tiny quantities).This Very Short Introduction discusses the key concepts of biochemistry, as well as the historical figures in the field and the molecules they studied, before considering the current science and innovations in the field, and the interaction between biochemistry, biotechnology, and synthetic biology. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable. |
biochemistry the composition of living matter: Introduction to Ecological Biochemistry J. B. Harborne, 2014-06-28 Ecological biochemistry concerns the biochemistry of interactions between animals, plants and the environment, and includes such diverse subjects as plant adaptations to soil pollutants and the effects of plant toxins on herbivores. The intriguing dependence of the Monarch butterfly on its host plants is chosen as an example of plant-animal coevolution in action. The ability to isolate trace amounts of a substance from plant tissues has led to a wealth of new research, and the fourth edition of this well-known text has consequently been extensively revised. New sections have been provided on the cost of chemical defence and on the release of predator-attracting volatiles from plants. New information has been included on cyanogenesis, the protective role of tannins in plants and the phenomenon of induced defence in plant leaves following herbivory. Advanced level students and research workers aloke will find much of value in this comprehensive text, written by an acknowledged expert on this fascinating subject. - The book covers the biochemistry of interactions between animals, plants and the environment, and includes such diverse subjects as plant adaptations to soil pollutants and the effects of plant toxins on herbivores - The intriguing dependence of the Monarch butterfly on its host plants is chosen as an example of plant-animal coevolution in action - New sections have been added on the cost of chemical defence and on the release of predators attracting volatiles from plants - New information has been included on cyanogenesis, the protective role of tannins in plants and the phenomenon of induced defence in plant leaves following herbivory |
biochemistry the composition of living matter: Integrated Molecular and Cellular Biophysics Valerica Raicu, Aurel Popescu, 2008-06-17 Biophysics represents perhaps one of the best examples of interdisciplinary research areas, where concepts and methods from disciplines such as physics, biology, b- chemistry, colloid chemistry, and physiology are integrated. It is by no means a new ?eld of study and has actually been around, initially as quantitative physiology and partly as colloid science, for over a hundred years. For a long time, biophysics has been taught and practiced as a research discipline mostly in medical schools and life sciences departments, and excellent biophysics textbooks have been published that are targeted at a biologically literate audience. With a few exceptions, it is only relatively recently that biophysics has started to be recognized as a physical science and integrated into physics departments’ curr- ula, sometimes under the new name of biological physics. In this period of cryst- lization and possible rede?nition of biophysics, there still exists some uncertainty as to what biophysics might actually represent. A particular tendency among phy- cists is to associate biophysics research with the development of powerful new te- niques that should eventually be used not by physicists to study physical processes in living matter, but by biologists in their biological investigations. There is value in that judgment, and excellent books have been published that introduce the int- ested reader to the use of physical principles for the development of new methods of investigation in life sciences. |
biochemistry the composition of living matter: Principles of Biology Lisa Bartee, Walter Shiner, Catherine Creech, 2017 The Principles of Biology sequence (BI 211, 212 and 213) introduces biology as a scientific discipline for students planning to major in biology and other science disciplines. Laboratories and classroom activities introduce techniques used to study biological processes and provide opportunities for students to develop their ability to conduct research. |
biochemistry the composition of living matter: The Vital Question Nick Lane, 2015-04-23 Why is life the way it is? Bacteria evolved into complex life just once in four billion years of life on earth-and all complex life shares many strange properties, from sex to ageing and death. If life evolved on other planets, would it be the same or completely different? In The Vital Question, Nick Lane radically reframes evolutionary history, putting forward a cogent solution to conundrums that have troubled scientists for decades. The answer, he argues, lies in energy: how all life on Earth lives off a voltage with the strength of a bolt of lightning. In unravelling these scientific enigmas, making sense of life's quirks, Lane's explanation provides a solution to life's vital questions: why are we as we are, and why are we here at all? This is ground-breaking science in an accessible form, in the tradition of Charles Darwin's The Origin of Species, Richard Dawkins' The Selfish Gene, and Jared Diamond's Guns, Germs and Steel. |
biochemistry the composition of living matter: MCQs in Biochemistry G. Vidya Sagar, 2008 Medical and Paramedical graduates aspiring for higher education planning to take PG ought to appear in entrance examinations. These entrance examinations are usually patterned in objective type. Biochemistry forms an integral part of curriculum of medical and paramedical courses. It is an important subject and deals with various Chemical, Biochemical, and Physiological reactions and processes that take place inside a living system. Quite a large number of MCQs appear in PG medical and paramedica. |
biochemistry the composition of living matter: Fundamentals of Biochemistry J L Jain & Sunjay Jain & Nitin Jain, 2022 This book has been primarily designed to familiarize the students with the basic concepts of biochemistry such as biomolecules, bioenergetics, metabolism, hormone biochemistry, nutrition biochemistry as well as analytical biochemistry. The book is flourished with numerous illustrations and molecular structures which would not only help the students in assimilating extensive information on a spectrum of concepts in biochemistry, but also help them in retaining the concepts in an effective manner. |
biochemistry the composition of living matter: Basic Organic Chemistry for the Life Sciences Hrvoj Vančik, 2022-01-18 This textbook is designed for students of biology, molecular biology, ecology,medicine, agriculture, forestry and other professions where the knowledge of organic chemistry plays an important role. The work may also be of interest to non-professionals, as well as to teachers in high schools. The book consists of 13 chapters that cover the essentials of organic chemistry, including - basic principles of structure and constitution of organic compounds, - the elements of the nomenclature, - the concepts of the nature of chemical bond, - introductions in NMR and IR spectroscopy, - the concepts and main classes of the organic reaction mechanisms, - reactions and properties of common classes or organic compounds, - and the introduction to the chemistry of the natural organic products followed by basic principles of the reactions in living cells. This second edition includes revisions and suggestions made by the readers of the first edition and the author's colleagues. In addition, it includes substantial changes compared to the first edition. The chapter on Cycloaddition has been completed by including the other pericyclic reactions (sigmatropic rearrangements, electrocyclic reactions). The chapter on Organic Natural Products has been extended to include new section covering the principles of organic synthesis. New chapter Organic Supramolecular and Supermolecular Structures is added. This chapter covers the basic knowledge about the molecular recognition, supramolecular structures, and the mechanisms of the enzyme catalyzed reactions. |
biochemistry the composition of living matter: Physical Biology Ahmed H. Zewail, 2008 Addresses significant problems in physical biology and adjacent disciplines. This volume provides a perspective on the methods and concepts at the heart of chemical and biological behavior, covering the topics of visualization; theory and computation for complexity; and macromolecular function, protein folding, and protein misfolding |
biochemistry the composition of living matter: Progress in Ecological Stoichiometry Dedmer B. Van de Waal, James J. Elser, Adam C. Martiny, Robert W. Sterner, James B. Cotner, 2018 Ecological stoichiometry concerns the way that the elemental composition of organisms shapes their ecology. It deals with the balance or imbalance of elemental ratios and how that affects organism growth, nutrient cycling, and the interactions with the biotic and abiotic worlds. The elemental composition of organisms is a set of constraints through which all the Earth’s biogeochemical cycles must pass. All organisms consume nutrients and acquire compounds from the environment proportional to their needs. Organismal elemental needs are determined in turn by the energy required to live and grow, the physical and chemical constraints of their environment, and their requirements for relatively large polymeric biomolecules such as RNA, DNA, lipids, and proteins, as well as for structural needs including stems, bones, shells, etc. These materials together constitute most of the biomass of living organisms. Although there may be little variability in elemental ratios of many of these biomolecules, changing the proportions of different biomolecules can have important effects on organismal elemental composition. Consequently, the variation in elemental composition both within and across organisms can be tremendous, which has important implications for Earth’s biogeochemical cycles. It has been over a decade since the publication of Sterner and Elser’s book, Ecological Stoichiometry (2002). In the intervening years, hundreds of papers on stoichiometric topics ranging from evolution and regulation of nutrient content in organisms, to the role of stoichiometry in populations, communities, ecosystems and global biogeochemical dynamics have been published. Here, we present a collection of contributions from the broad scientific community to highlight recent insights in the field of Ecological Stoichiometry. |
biochemistry the composition of living matter: Understanding Chemistry C N R Rao, 2009-07-16 This is the international edition of Prof Rao's popular science book, an elementary introduction intended for high school students and others interested in appreciation of chemistry. Ideas and facts are presented, and a few questions raised, in order to interest the reader in the subject and to arouse curiosity. The book covers essential aspects of chemistry, features of the modern periodic table, bonding between atoms in molecules and substances, shapes and structures of molecules, metals and materials, alkalis and acids, carbon compounds, electronic structure of atoms, classification of elements, simple chemical reactions, biopolymers and man-made polymers and aspects of energy. There are also life sketches of chemists and procedures for a few experiments. |
biochemistry the composition of living matter: Microbial Biochemistry G. N. Cohen, 2014-07-21 Microbial physiology, biochemistry and genetics allowed the formulation of concepts that turned out to be important in the study of higher organisms. In the first section, the principles of bacterial growth are given, as well as the description of the different layers that enclose the bacterial cytoplasm, and their role in obtaining nutrients from the outside media through different permeability mechanism described in detail. A chapter is devoted to allostery and is indispensable for the comprehension of many regulatory mechanisms described throughout the book. Another section analyses the mechanisms by which cells obtain the energy necessary for their growth, glycolysis, the pentose phosphate pathway, the tricarboxylic and the anaplerotic cycles. Two chapters are devoted to classes of microorganisms rarely dealt with in textbooks, namely the Archaea, mainly the methanogenic bacteria, and the methylotrophs. Eight chapters describe the principles of the regulations at the transcriptional level, with the necessary knowledge of the machineries of transcription and translation. The next fifteen chapters deal with the biosynthesis of the cell building blocks, amino acids, purine and pyrimidine nucleotides and deoxynucleotides, water-soluble vitamins and coenzymes, isoprene and tetrapyrrole derivatives and vitamin B12. The two last chapters are devoted to the study of protein-DNA interactions and to the evolution of biosynthetic pathways. The considerable advances made in the last thirty years in the field by the introduction of gene cloning and sequencing and by the exponential development of physical methods such as X-ray crystallography or nuclear magnetic resonance have helped presenting metabolism under a multidisciplinary attractive angle. |
biochemistry the composition of living matter: Molecules and Life Joseph Stewart Fruton, 1972 |
biochemistry the composition of living matter: Cell Biology and Genetics Ania L. Manson, 2002 Building on the success of the first edition, this second edition has been written by students for students, giving a first hand perspective of what it takes to make the grade at cell biology and genetics. |
biochemistry the composition of living matter: Biological Macromolecules Amit Kumar Nayak, Amal Kumar Dhara, Dilipkumar Pal, 2021-11-23 Biological Macromolecules: Bioactivity and Biomedical Applications presents a comprehensive study of biomacromolecules and their potential use in various biomedical applications. Consisting of four sections, the book begins with an overview of the key sources, properties and functions of biomacromolecules, covering the foundational knowledge required for study on the topic. It then progresses to a discussion of the various bioactive components of biomacromolecules. Individual chapters explore a range of potential bioactivities, considering the use of biomacromolecules as nutraceuticals, antioxidants, antimicrobials, anticancer agents, and antidiabetics, among others. The third section of the book focuses on specific applications of biomacromolecules, ranging from drug delivery and wound management to tissue engineering and enzyme immobilization. This focus on the various practical uses of biological macromolecules provide an interdisciplinary assessment of their function in practice. The final section explores the key challenges and future perspectives on biological macromolecules in biomedicine. - Covers a variety of different biomacromolecules, including carbohydrates, lipids, proteins, and nucleic acids in plants, fungi, animals, and microbiological resources - Discusses a range of applicable areas where biomacromolecules play a significant role, such as drug delivery, wound management, and regenerative medicine - Includes a detailed overview of biomacromolecule bioactivity and properties - Features chapters on research challenges, evolving applications, and future perspectives |
biochemistry the composition of living matter: Opportunities in Biology National Research Council, Division on Earth and Life Studies, Commission on Life Sciences, Board on Biology, Committee on Research Opportunities in Biology, 1989-01-01 Biology has entered an era in which interdisciplinary cooperation is at an all-time high, practical applications follow basic discoveries more quickly than ever before, and new technologiesâ€recombinant DNA, scanning tunneling microscopes, and moreâ€are revolutionizing the way science is conducted. The potential for scientific breakthroughs with significant implications for society has never been greater. Opportunities in Biology reports on the state of the new biology, taking a detailed look at the disciplines of biology; examining the advances made in medicine, agriculture, and other fields; and pointing out promising research opportunities. Authored by an expert panel representing a variety of viewpoints, this volume also offers recommendations on how to meet the infrastructure needsâ€for funding, effective information systems, and other supportâ€of future biology research. Exploring what has been accomplished and what is on the horizon, Opportunities in Biology is an indispensable resource for students, teachers, and researchers in all subdisciplines of biology as well as for research administrators and those in funding agencies. |
biochemistry the composition of living matter: Fat Detection Jean-Pierre Montmayeur, Johannes le Coutre, 2009-09-14 Presents the State-of-the-Art in Fat Taste TransductionA bite of cheese, a few potato chips, a delectable piece of bacon - a small taste of high-fat foods often draws you back for more. But why are fatty foods so appealing? Why do we crave them? Fat Detection: Taste, Texture, and Post Ingestive Effects covers the many factors responsible for the se |
biochemistry the composition of living matter: Handbook of Food Chemistry Peter Chi Keung Cheung, Bhavbhuti M. Mehta, 2015-10-19 This handbook is intended to be a comprehensive reference for the various chemical aspects of foods and food products. Apart from the traditional knowledge, this book covers the most recent research and development of food chemistry in the areas of functional foods and nutraceuticals, organic and genetically modified foods, nonthermal food processing as well as nanotechnology. This handbook contains both the basic and advanced chemistry both for food research and its practical applications in various food related industries and businesses. This book is appropriate for undergraduates and postgraduates in the academics and professionals from the various disciplines and industries who are interested in applying knowledge of food chemistry in their respective fields. |
biochemistry the composition of living matter: The Living State Albert Szent-Gyorgyi, 2012-12-02 The Living State: With Observations on Cancer explores some facets of life, including its pattern and structure, cellular mechanisms, and its connection with biochemistry and biophysics. It reflects the author's journey in his desire to understand life by looking at cells, animals, bacteria, molecules, and electrons, as well as his observations on cancer. Organized into eight chapters, this volume begins with an overview of the scientific community's longstanding pursuit to understand life and its origins. It then discusses water as an essential medium of organic matter on which life's machinery is built, along with the motion of muscle; biological stability and the paradox of evolution; the energetics of the biosphere based on the interaction of hydrogen and oxygen; the principles of defense against cellular damage; and how defense is linked to the regulation of growth in plants and animals. The reader is also introduced to growth regulation as a defense mechanism, which corrects mechanical injury in animals; the way that ketone aldehydes inhibit cell division; the theory of cancer; and cancer therapy. Biologists, chemists, and physicists will find this book an interesting read. |
biochemistry the composition of living matter: Lecture Notes for Oral Microbiology, Biochemistry, Physiology George Wesley Burnett, 1962 |
biochemistry the composition of living matter: Biochemistry and Oral Biology A. S. Cole, J. E. Eastoe, 2014-06-28 Biochemistry and Oral Biology presents a unique exposition of biochemistry suitable for dental students. It discusses the structural basis of metabolism and the general principles of nutrition. It addresses the soft tissues, hard tissues, and the biology of the mouth. Some of the topics covered in the book are the free radical production; scope of biochemistry; characteristics of atoms; structure and properties of water; molecular building materials; ionization of proteins; affinity chromatography of proteins; structural organization of globular proteins; classification of enzymes; and biochemically important sugar derivatives. The naturally occurring fatty acids are fully covered. The nucleic acid components are discussed in detail. The text describes in depth the energy equivalents of different nutrients. The physiological effects of dietary fiber vitamin D deficiency are completely presented. A chapter is devoted to the alternative methods of fluoride administration and description of vitamins. The book can provide useful information to dental students, and researchers. |
biochemistry the composition of living matter: Microbiology Nina Parker, OpenStax, Mark Schneegurt, AnhHue Thi Tu, Brian M. Forster, Philip Lister, 2016-05-30 Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology's art program enhances students' understanding of concepts through clear and effective illustrations, diagrams, and photographs. Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.--BC Campus website. |
biochemistry the composition of living matter: Organic and Physical Chemistry Marcel Florkin, Elmer Henry Stotz, 1962-01 |
biochemistry the composition of living matter: How Life Emerges from Inanimate Matter Bernard Korzeniewski, 2023-07-18 This book describes how the phenomenon of life emerges gradually from the elements of inanimate matter. It shows that, first, this transition occurs in space, when we move from elementary particles and atoms, through molecules and their complexes, cells, tissues and organs to entire individuals. Second, this transition also happened (and is still happening) in time, during biological evolution, when the first living systems originated spontaneously from organic compounds and then evolved step by step through bacteria to plants, animals and us. Third, the embryonic development from a fertilized egg to an adult individual occurs both in space and time. This book is unique as it analyzes all three processes in terms of their physical, chemical, biochemical, thermodynamic, energetic, genetic, cellular, physiological, embryological, evolutionary and cybernetic aspects. |
biochemistry the composition of living matter: Biochemistry; an Introductory Textbook Felix Haurowitz, 1955 |
biochemistry the composition of living matter: Lehninger Principles of Biochemistry David L. Nelson, Albert L. Lehninger, Michael M. Cox, 2008-02 Authors Dave Nelson and Mike Cox combine the best of the laboratory and best of the classroom, introducing exciting new developments while communicating basic principles of biochemistry. |
biochemistry the composition of living matter: Lehninger Principles of Biochemistry Albert L. Lehninger, David L. Nelson, Michael M. Cox, 2005 CD-ROM includes animations, living graphs, biochemistry in 3D structure tutorials. |
Biochemistry The Composition Of Living Matter [PDF]
Understanding the composition of living matter—the elements and biomolecules that form the foundation of life—is crucial to comprehending the complexities of biological systems. Biochemistry provides the framework for understanding how these components interact to create the remarkable diversity and functionality of living organisms.
Biochemistry The Composition Of Living Matter (Download …
more complex aspects of biochemistry using a systems approach, dedicating chapters to the integral study of biological phenomena, including cell membrane structure and function, gene expression and regulation, protein synthesis and post-translational modifications,
Biochemistry The Composition Of Living Matter
review of biochemistry as an algebra of molecules of living matter and utilizes Clifford algebras to discuss the basic biochemical processes of DNA replication, DNA transcription, RNA splicing and translation.
Biochemistry The Composition Of Living Matter (book)
Biochemistry The Composition Of Living Matter Medical Biochemistry Antonio Blanco,Gustavo Blanco,2022-03-23 This second edition of Medical Biochemistry is supported by more than 45 years of teaching experience providing coverage of basic biochemical topics including the structural physical and chemical properties
Chapter 1 Biogeochemical Cycles - Springer
factors which control the formation, composition, and preservation of organic matter is central to com prehending the development and continuance of bio geochemical cycles of the life-forming elements, to understanding the formation of petroleum, coal, and certain mineral deposits, and to elucidating the be ginnings and history of life.
THE FOUNDATIONS OF BIOCHEMISTRY - Moodle USP: e …
Biochemistry asks how the remarkable properties of living organisms arise from the thousands of differ-ent lifeless biomolecules. When these molecules are iso-lated and examined individually, they conform to all the physical and chemical laws that describe the behavior of inanimate matter—as do all the processes occurring in living organisms.
9 BIOMOLECULES - NCERT
cytoplasmic composition. The macromolecules from cytoplasm and organelles become the acid insoluble fraction. Together they represent the entire chemical composition of living tissues or organisms. In summary if we represent the chemical composition of living tissue from abundance point of view and arrange them class-wise, we observe that
1 Introduction to biomolecules - Wiley
Living matter comprises certain key elements, and in mammals the most abundant of these, representing around 97% of dry weight of humans, are: carbon (C), nitro- gen (N), oxygen (O), hydrogen (H), calcium (Ca), phosphorus (P) and sulfur (S).
King Saud University College of Science Department of …
What is Biochemistry? Biochemistry is the chemistry of the living cell. It describes in molecular terms the structures, mechanisms, function and chemical processes shared by all living organisms. It provides fundamental understanding of the molecular basis for the function of living things.
ISSN: 2287-6898 International Journal of Bio-Pharma Research
Biochemistry and its chemical composition in living matter Thomas Abraham* Department of Biochemistry, Harvard University, Cambridge, United States. Description Biochemistry or organic chemistry includes chemical techniques inside and regarding dwelling organisms. A sub-field of each chemistry and biology, biochemistry
The Chemical Basis of Life - Wiley
LEARNING OBJECTIVE. Recognize the main themes of biochemistry. CHAPTER 1. The chemical reactions of living systems take place across a wide range of conditions. Although many microbial species can tolerate extreme heat, multicellular organisms require much more temper ate habitats.
Biochemistry The Composition Of Living Matter
Chemical Composition of Living Matter Apr 22, 2024 · An overview of biochemistry, focusing on the chemical composition of living matter. It covers macromolecules, organic compounds, carbon, carbohydrates, lipids, proteins, nucleic acids, and
Foundations of - Universidade Federal de Minas Gerais
Living organisms are composed of lifeless molecules. When these molecules are isolated and examined individually, they conform to all the physical and chemical laws that describe the behavior of inanimate matter. Yet living or-ganisms possess extraordinary attributes not exhibited by any random col-lection of molecules.
Biochemisty of Living Organisms: The Genesis - Austin …
understand the evolution of living things and the constituents that have defined its activities. Thus this chapter will provide an overview of how life originated, narrowing the concepts to the scientific point of view and suggesting various postulates that tried to support this claim.
Inorganic compounds - East Tennessee State University
Biochemistry: is the study of the chemical composition and reactions of living matter. Biological compounds fall into two major classes: organic compounds and inorganic compounds. Both are essential for life. Organic compounds: contain carbon. …
Characteristics of Life and Biochemistry - Sierra College
The Composition of Protoplasm Protoplasm may be defined as living substance, or as the chemical and physical basis for life. It is a dynamic, changing material and is what all cells are made of. One way to visualize protoplasm is to think about a boiling soup that is constantly being added to and taken from. Imagine the contents of that soup.
Plant Biochemistry short note 2018 By Mitiku Muanenda, Dilla …
- the chemical composition of living matter & - the chemical changes that occur in it during life processes. ☞ Explain both biological and chemical aspect of life.
Chapter 1. What is Biochemistry? - Ankara Üniversitesi
Biochemistry describes in molecular terms the structures, mechanisms, and chemical processes shared by all organisms and provides organizing principles that underlie life in all its diverse forms, principles we refer to collectively as the molecular logic of life.
21BT33 Biochemistry Reading materials - Bapuji Institute of …
in living organisms include carbon, hydrogen, nitrogen, oxygen, sulphur, and phosphorus. These form the nucleic acids, proteins, carbohydrates, and lipids that are the fundamental components of living matter.
COMPOSITION OF MATTER
BIOCHEMISTRY: THE COMPOSITION OF LIVING MATTER 14. Use key choices to identify the substances described in the following statements. Insert the appropriate letter(s) or corresponding term(s) in the answer blanks. Key Choices A. Acid(s) B. Base(s) 1. ___ _ C. Buffer D. Salt(s) 2. ____ 3. Substances that ionize in water; good electrolytes 4.
21BT33 Biochemistry Reading materials - Bapuji Institute of …
Elements in various combinations comprise all matter, including living things. Some of the most abundant elements in living organisms include carbon, hydrogen, nitrogen, oxygen, sulphur, …
Biochemistry The Composition Of Living Matter (PDF)
Biochemistry The Composition Of Living Matter Biochemistry The Composition Of Living Matter: why were scribes important in sumerian society who is walter chase in the great gatsby will the …
What is life? - Springer
denitions say nothing about the chemical nature of living matter, the interactions with the environment or the low entropy of living things. Apart from that, reproduction being essential …
Chapter 2: The Chemical Basis of Life - McGraw Hill Education
A. Matter, Mass, and Weight 1. All living and nonliving things are composed of _____ 2. _____ represents the amount of matter. 3. _____ is caused by the gravitational force acting on mass. …
CH. 1 - THE FACTS OF LIFE: CHEMISTRY IS THE LOGIC OF …
Biochemistry seeks to answer fundamental questions like “What are we made of?” and “How do we work?” Biochemistry: study of structures and _____ & _____ processes that occur in living …
Matter and Change What is Chemistry? Chemistry is the …
and changes of matter and their relation to energy. Analytical Chemistry - the identification of the components and composition of materials. Biochemistry - the study of the substances and …
Fundamentals of Chemistry - ilmkidunya.com
1.1.4 Biochemistry It is the branch of chemistry in which we study the structure, composition, and chemical reactions of substances found in living organisms. It covers all chemical processes …
Soil Microbiology, Ecology, and Biochemistry - Elsevier
BIOCHEMISTRY AND BIOGEOCHEMISTRY 12 Carbon Cycling and Formation of Soil Organic Matter W. Horwath Introduction 303 Long-Term Carbon Cycle 304 The Short-Term C Cycle …
B.Sc. (H) BIOCHEMISTRY - Delhi University
composition of living matter, Cell wall structure with reference to gram positive and gram negative bacteria. 2. Carbohydrate: Monosaccharides and their inter relationship, structure of sugar, …
Soil Organic Matter and Its Impact on Soil - Springer
Table 7.1 Various fractions of the soil organic matter and their relative proportion Fractions Source Composition Amount (%) Available form Living organic matter Plant biomass Plant litter and …
Biochemistry The Composition Of Living Matter
Mechanism of chemical reactions: Energy and equilibrium; Acids, Bases, and neutralization; The chemical composition of living matter; Some fundamental organic substances in Living …
Biochemistry The Composition Of Living Matter …
Biochemistry The Composition Of Living Matter King Saud University College of Science Department of What is Biochemistry Biochemistry is the chemistry of the living ...
Atoms and Molecules: The Chemical Basis of Life
12. Describe the composition of a salt and explain why salts are important in organisms. CHAPTER 2 Atoms and Molecules: The Chemical Basis of Life 25 1. Name the principal …
Foundations of - Universidade Federal de Minas Gerais
Some characteristics of living matter. (a)Microscopic complexity and organization are apparent in this colorized thin section of vertebrate muscle tissue, viewed with the ... 4 Part I Foundations …
Biochemistry The Composition Of Living Matter
of Living Matter Carl … Biochemistry The Composition Of Living Matter Biochemistry Benjamin Moore,2015-07-05 Excerpt from Biochemistry: A Study of the Origin, Reactions, and Equilibria …
Chapter 2 The Chemistry of Life - UC Davis
2.2 THE UNITS OF MATTER Every type of matter--including all the components of living cells and organisms and all the nonliving materials on which living things depend--is built from very …
Soil organic matter composition, decomposition, …
matter is accelerated in warm climates as compared to cooler climates. For each 10 C decline in mean annual temperature, the total organic matter and N increases by two to three times. b) …
Biochemistry Is the Chemistry of Living Matter - Boston …
Biochemistry Is the Chemistry of Living Matter Welcome to Biochemistry Section A1! Biochemistry Is the Chemistry of Living Matter Getting registered: • Go to this link for a Google poll. • Enter …
Cellular, Elemental, and Molecular Building Blocks of Living …
Cellular, Elemental, and Molecular Building Blocks of Living Systems Learning Objectives The goals for the student are: Know the names of the three basic cell types, their relationships, and …
CHEM - Chemistry Courses - Bakersfield College
An introduction to general, organic, and biochemistry using a qualitative and quantitative approach. Topics include physical principles of chemistry; inorganic compounds and reactions; …
STRUCTURE AND FUNCTION OF BIO- MOLECULES
ble 1.3). The function of these biopolymers tends to be the same in all living organisms. In addition, the basic building blocks can be modified to fulfill other functions. For example, 20 …
MIND NURTURE KRISHNA Page of - Goel
→ Chemical composition of living organisms and → The interactions between living organic cells and their surrounding fluids/matter and → The important chemical processes occurring within …
Anthropogenic N deposition alters soil organic matter …
sition has altered the composition of soil microorganisms decaying fine root litter. To accomplish this, we compared the composition of fungal and bacterial communities colonizing decaying …
Biochemistry The Composition Of Living Matter Worksheet …
biochemistry composition of living matter must be able to justify their outermost shell or broken down into polysaccharides for opportunities to scale. Earth if it and biochemistry the storage of …
Syllabus for M. Sc. Biochemistry - CURAJ
1. Know about the constituents of living matter and its significance in biological functions. 2. Comprehend the energy production and bioenergetics principles 3. Interpret molecular …
Chap. 1 Introduction to Biochemistry Reading Assignment
V. Biochemistry and evolution. Biochemistry has greatly extended our knowledge of phylogeny and evolution that was acquired originally through the disciplines of comparative anatomy, …
Biochemistry The Composition Of Living Matter …
Biochemistry The Composition Of Living Matter Mark Lorch. Content Medical Biochemistry Antonio Blanco,Gustavo Blanco,2022-03-23 This second edition of Medical Biochemistry is …
Soil Biology & Biochemistry
increase or decrease in soil organic matter mineralization (measured as changes of CO2 efflux and N mineralization) actually results from interactions between living (microbial biomass) and …
Biochemistry The Composition Of Living Matter Full PDF
Biochemistry The Composition Of Living Matter Biochemisty of Living Organisms The Genesis Austin understand the evolution of living things and the constituents that
1 Matter and Change - HUBBARD'S CHEMISTRY
physical chemistry—the study of properties of matter, changes that occur in matter, and the relationships between matter and energy analytical chemistry—the identification of the …
Changes in the chemical composition of soil organic matter …
Keywords Soilorganicmatter.Molecular characterization.Long-termlaboratoryincubation . Plantlitterdecomposition .Livingroots.Py-GC/MS . Celluloseandlignindegradation ...
Soil Health and Organic Farming - Organic Farming Research …
With growing understanding that only a living, biodiverse soil with sufficient soil organic matter (SOM) can sustain crop and livestock production over the long run, farmers and professionals …
Proteins & Amino Acids - Harvard University
Many of the most important macromolecules in living systems are polymers. These polymers are composed of small building blocks that are linked together in long, linear chains. Three of the …
Soil Biology & Biochemistry Using Fourier-Transform Mid …
Distinguish Soil Organic Matter Composition Dynamics in Aggregate Fractions of Two Agroecosystems Soil Biology & Biochemistry The relationship between soil organic C (SOC) …
Long‐term Nitrogen Addition Decreases Organic Matter
Aug 9, 2018 · in n-addition plots than controls. the soil microbial community composition was also altered dramatically with n additions. recalcitrant organic matter enzyme activity (peroxidase) …
honors biology - amphi.com
UNIT 1: BIOCHEMISTRY Composition of Matter, Atomic Structure, Chemical Bonds + Reactions, Macromolecules, Enzymes Properties of Water, pH & Buffers UNIT 2: CELLS Cell Structure, …
Effects of margarines and butter consumption on lipid profiles ...
determinant of HDL composition and thereby for the adhesion of proteins to the lipoprotein surface, it is possible that other atheroprotective functions of the lipoprotein may
THE FOUNDATIONS OF BIOCHEMISTRY - sistemas.eel.usp.br
of living organisms arise from the thousands of differ-ent lifeless biomolecules. When these molecules are iso-lated and examined individually, they conform to all the physical and …
Contrasting dynamics in activity and community composition …
composition of free-living and particle-associated bacteria in spring Stefan Rösel1, ... Ecology and Inland Fisheries, Berlin, Alte Fischerhütte 2, 16775 Stechlin, Germany 2Potsdam University, …
Home - SchoolMessenger
Matter and Change Date Section Quiz: Chemistry Is a Physical Science In the space provided, write the letter of the term or phrase that best completes each statement or best answers each …
Soil Biology & Biochemistry - Texas A&M AgriLife
Forest harvest intensity and soil depth alter inorganic nitrogen pool sizes and ammonia oxidizer community composition Ryan M. Mushinski a, *, Terry J. Gentry b, Robert J. Dorosky c, …
P-Bodies: Composition, Properties, and Functions - ACS …
∥Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, ... molecular composition of P-bodies, the interactions and processes that regulate P-body liquid−liquid …