Microbiology Test 1 Review/Study Questions and Topics Chapter 1: A. Text Review Questions 1, 2 (but not virus part), 4, 5, 6 (Koch, only), 8. B. Be able to state Koch’s postulates, and to discuss the difficulties that arise when using these postulates to determine whether or not a microbe causes a particular disease. C. What is geochemical cycling, and what role (s) do microbes play in this process? Chapter 2: A. Text Review Questions 2, 4, 5, 6, 7, 8, 11, 12, 13, 14. B. Be able to draw the path of light through a convex lens, and to show where the focal point would be. Chapter 3: A. Text Review Questions 1, 2, 4 (First sentence, only), 5, 6, 7, 8, 9. B. Describe the roles of FtsZ, MreB and CreS in the bacterial cytoskeleton. C. Describe the mycobacterial cell wall. D. Describe the structure of the nucleoid. E. Discuss the roles that bacterial structures such as outer membranes, cell walls and capsules can have on the severity of human disease. F. Describe how antibiotics can target the bacterial cell wall, and be able to give specific examples. G. Be able to discuss the functions of different bacterial cell wall components. Chapter 4: A. Text Review Questions 1, 2, 4, 5, 6, 7, 8, 9. B. Be able to discuss and justify the growth phase would you target if you wanted to study cells that: 1. Were still alive, but making endospores? 2. Were producing antibiotics? 3. Were producing large amounts of MinD? 4. Were producing large amounts of siderophores? 5. Etc……. C. Microbial cells have many ways of coping with low levels of nutrients in the environment. Be able to discuss at least 4 different microbial coping strategies.