106

Refresh Your Memory

Before you begin this chapter, you may want to review

these concepts from previous chapters:

■ Carbohydrates and Lipids 33

■ Proteins 41

■ Metabolic Pathways 95

■ Bioenergetics 97

CHAPTER OUTLINE

5.1 Glycolysis and the Lactic Acid

Pathway 107

Glycolysis 107

Lactic Acid Pathway 109

5.2 Aerobic Respiration 111

Citric Acid Cycle 111

Electron Transport and Oxidative

Phosphorylation 112

Coupling of Electron Transport to ATP

Production 113

ATP Balance Sheet 115

5.3 Interconversion of Glucose, Lactic Acid,

and Glycogen 117

Glycogenesis and Glycogenolysis 117

Cori Cycle 117

5.4 Metabolism of Lipids and Proteins 119

Lipid Metabolism 119

Amino Acid Metabolism 122

Uses of Different Energy Sources 123

Interactions 126

Summary 127

Review Activities 128

Cell Respiration and Metabolism

5

CHAPTER