Name:____________________________________ Biology/Macromolecule Review Questions Date:_______________ 1. Distinguish between hydrolysis and dehydration synthesis. 2. Compare and contrast the structures of polysaccharides, proteins, and nucleic acids. 3. What is the significance of a protein’s shape, and how can that shape be destroyed? 4. What are some differences between DNA and RNA? 5. What are the components of a triglyceride? 6. Explain why fats are essential to a healthful diet. 7. A topping for ice cream contains fructose, hydrogenated soybean oil, salt, and cellulose What types of chemicals are in it? 8. Three very different proteins are silk, hair, and collagen. Chemically, how are they similar, and how are they different? 9. Why do you think proteins are extremely varied in organisms, but carbohydrates, and lipids are not? 10. A man on a very low-fat diet proclaims to his friend, “I’m going to get my cholesterol to zero!” Why is achieving this goal impossible and undesirable? 11. You eat a sandwich made of starchy bread, ham, and cheese. What types of chemicals are in it?