After you have studied this chapter, you should be able to:

1. Distinguish between anabolism and catabolism.

2. Explain how enzymes control metabolic processes.

3. Explain how the actions of cellular respiration release chemical energy.

4. Describe how energy is made available for cellular activities.

5. Describe the general metabolic pathways of carbohydrate, lipid, and protein metabolism.

6. Explain how metabolic pathways are regulated.

7. Describe how DNA molecules store genetic information.

8. Explain how protein synthesis relies on genetic information.

9. Describe how DNA molecules are replicated.

10. Explain how genetic information can be altered and how such a change may affect an organism.

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