1.A Nucleic Acid Consists of Four Kinds of Bases Linked to a Sugar-Phosphate Backbone 2.A Pair of Nucleic Acid Chains with Complementary Sequences Can Form a DoubleHelical Structure 3.DNA Is Replicated by Polymerases That Take Instructions from Templates
1. Enzymes Are Powerful and Highly Specific Catalysts 2. Free Energy Is a Useful Thermodynamic Function for Understanding Enzymes -热力学 3. Enzymes Accelerate Reactions by Facilitating the Formation of the Transition State -化学 4. The Michaelis-Menten Model Accounts for the Kinetic Properties of Many Enzymes -动力学
1. Allosteric Control 变构控制,别构控制 2. Multiple Forms of Enzymes. Isozymes, or isoenzymes 同功酶 3. Reversible Covalent Modification. 可逆共价修饰 4. Proteolytic Activation. 蛋白酶作用 5. Controlling the Amount of Enzyme Present. 控制酶量
1.Fatty Acids Are Key Constituents of Lipids 脂肪酸是脂质的主要组成成分 2.There Are Three Common Types of Membrane Lipids 3.Phospholipids and Glycolipids Readily Form Bimolecular Sheets in Aqueous Media 4.Proteins Carry Out Most Membrane Processes 5.Lipids and Many Membrane Proteins Diffuse Rapidly in the plane of the Membrane 6.Eukaryotic Cells Contain Compartments Bounded by Internal Membranes