CHAPTER 6 STUDY GUIDE Proteins and Amino Acids Terms amino acid peptide bond polypeptide 1. Describe how amino acids make up proteins. What element does amino acids contain that carbohydrates and fats do not? 2. Distinguish between essential and nonessential amino acids. 3. Why are adequate amounts of each of the essential amino acids required for protein synthesis? 4. Protein can undergo denaturation in several ways. List them. 5. Describe protein digestion and absorption. 6. List several roles of protein in the body. Chapter 6 7. Distinguish between complete and incomplete protein and sources of each. 8. Define mutual supplementation and complementary proteins. 9. Describe what is represented by positive nitrogen balance, negative nitrogen balance and nitrogen equilibrium. Show how to figure protein needs for an individual. 10. What are kwashiorkor and marasmus? What are their symptoms? 11. What problems are brought about by the over consumption of protein? 12. Compare the positive health aspects of a vegetarian diet with those of a diet that includes meat. (Controversy 6)