4.1 Introduction
1. Briefly explain the function of metabolism.

4.2 Metabolic Reactions
2. Compare and contrast anabolism and catabolism.

4.3 Control of Metabolic Reactions
3. Describe how enzymes control metabolic reactions.

4.4 Energy for Metabolic Reactions
4. Explain how cellular respiration releases chemical energy.
5. Describe how energy in the form of ATP becomes available for cellular activities.

4.5 Metabolic Pathways
6. Describe the general metabolic pathways of carbohydrates, lipids, and proteins.

4.6 DNA (Deoxyribonucleic Acid)
7. Describe how DNA molecules store genetic information.
8. Describe how DNA molecules are replicated.

4.7 Protein Synthesis
9. Describe the steps of protein synthesis.