Handout5 - Bio 311C Buskirk Handout 5 Membrane structure...

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Bio 311C Buskirk Handout 5 – Membrane structure & transport mechanisms Sept 17, 20, (22) Reading: Chap 7. Figures 7.5, 7.7, 7.9, 7.12, 7.13, 7.15-7.20, Self-quiz 1-6 Concept checks 7.2 & 7.4. Exam 1 Wed 7:00 pm in JGB 2.324 (Geology Bldg, East Mall); Q&A Mon 5-6 pm in PAI 2.48 Want to participate in class-testing a textbook under development? Pick up a copy of the chapter or view online at Compare this chapter with Chapter 7 in Campbell, and fill out paper survey or online at Learning objectives: 1-69. Explain the “fluid mosaic” model of membrane structure. To what does the word “fluid” refer? 1-70. What is the effect of each of the following on membrane fluidity at cooler temperatures? (a) membrane has more phospholipids with very long hydrocarbon chains; (B) membrane has more phospholipids with unsaturated hydrocarbon chains; (c) membrane has more cholesterol. 1-71. Name three different functions of membrane proteins (from Fig 7.9) 1-72. Name 3 molecules that can diffuse
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