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AP Biology – Chapter 5: Macromolecules Carbohydrates 1. Define the following: a. Monomer b. Polymer c. Condensation reaction d. Hydrolysis 2. Which foods do you think will enter the blood the quickest? Why? 3. What are the general roles of carbohydrates? 4. List some monosaccharides with the molecular formulas. 5. Double sugars are called ________________. List the monosaccharides that form each of the following: a. Maltose b. Sucrose c. Lactose 6. What do polymers of sugars form? 7. Which forms of polysaccharides is best for each function? a. Strength of structure b. Storage and sugar release c. What theme is this addressing (see chapter 1)? 8. How does the alpha differ from the beta from of glucose and why is it significant to animals? 9. How do the role and structure of the following polysaccharides compare? a. Starch b. Glycogen c. Cellulose d. Chitin 10. 90% of Asians, 75% of African Americans, and a much smaller percent northern Europeans are lactose intolerant. Why do you suppose we see this pattern? Lipids 11. What is the characteristic common to lipids? 12. Lipids are synthesized by the chemical reaction ____________________ and broken down by the reaction _______________________. 13. What makes fats hydrophobic? 14. State at least two differences between saturated and unsaturated fats. a. b. 15. How do phospholipids interact in an aqueous solution? 16. Make a diagram of phospholipid interactions that form membranes. 17. Sketch the common building block of steroids. Proteins 18. List several functions of proteins. 19. What are the three properties used to classify amino acids? 20. Sketch two amino acids side‐by‐side, on one of them label the functional groups, then show how the two can be joined together. 21. What determines primary structure of a protein? 22. Describe the four levels of protein structure: a. Primary b. Secondary c. Tertiary d. Quaternary 23. What happens to a protein during denaturation? 24. What are the building blocks of nucleic acids? 25. Briefly describe two functions of DNA in the cell a. b.