2.1 Weak Interactions in Aqueous Systems 47 and titration curves, and consider how aqueous solu 2.2 lonization of Water. Weak Acids, and tions of weak acids or bases and their salts act as buffers Weak Bases 60 against pH changes in biological systems. The water 2.3 Buffering against pH Changes in Biological

7.1 Monosaccharides and Disaccharides 239 att 7.2 Polysaccharides 247 mine the intracellular location or metabolic fate of these hybrid molecules, called glycoconjugates. This chap- 7.3 Glycoconjugates: Proteoglycans, Glycoproteins

3.1 Amino Acids 75 acids, covalently linked in characteristic linear sequences 3.2 Peptides and Proteins 85 Because each of these amino acids has a side chain with 3.3 Working with Proteins 89 distinctive chemical properties, this group of 20 pre cursor molecules may be regarded as the alphabet in

Lehninger Principles of Biochemistry Fourth Edition David L. Nelson (U. of Wisconsin-Madison) Michael. Cox(U. of Wisconsin-Madison) 1. The Foundations of Biochemistry 1.1 Cellular Foundations 1.2 Chemical Foundations 1.3 Physical Foundations 1.4 Genetic Foundations 1.5 Evolutionary Foundations

8.1 Some Basics 273 quence in the cells DNA. A segment of a DNA molecule 8.2 Nucleic Acid Structure 275 that contains the information required for the synthesis 8.3 Nucleic Acid Chemistry 291 8.4 Other Functions of Nucleotides 300 the only known func- Watson

he third and final part of this book explores the bio￾chemical mechanisms underlying the apparently con￾tradictory requirements for both genetic continuity and the evolution of living organisms. What is the molecular nature of genetic material? How is genetic information transmitted from one generation

5.1 Reversible Binding of a Protein to a Ligan proteins interact with other molecules and how their in- Oxygen-Binding Proteins 158 orotein structure. The 5.2 Complement protein's func- and Ligands: The Immune Immunoglobulins 174 5.3 Protein Interactions Modulated by Actin, Myosin, and

前言 1、生命活动能量的来源 来自于体内糖、脂肪、蛋白质等有机物的氧化,生物体内的氧化和外界的燃烧在化学本质上相同,方式不同。 2、什么是生物氧化? 有机分子在机体内氧化分解成CO2和H2O并释放出能量的过程,称为生物氧化(细胞氧化或细胞呼吸)。 生物氧化在形式上虽有加氧、脱氢和失电子的不同形式,但从氧化的 基本概念来看,生物氧化与体外的化学氧化,实质相同,即一种物质丢 失电子是氧化,得到电子是还原

糖类与食品的加工和贮藏，关系十分密切，如还原糖能使食品变褐；食品能保持有粘弹性是由于含有淀粉 与果胶等；至于食品中所具有的甜味，大部分也是由于糖类引起的

第一节 基因表达与基因表达调控的基本概念与特点 Basic Conceptions and Characters of Gene Expression and it’s Regulation 第二节 原核基因表达调控 Regulation of Gene Expression in Prokaryote 第三节 真核基因表达调控 Regulation of Gene Expression in Eukaryote