Biol 2107 Reading Guide Chapter 7 1. Explain why phospholipids are amphipathic molecules. What is the basic structure of a phospholipid? 2. Describe the fluidity of the components of a cell membrane and explain how membrane fluidity is influenced by temperature and membrane composition. 3. Explain how cholesterol resists changes in membrane fluidity with temperature change. 4. Distinguish between peripheral and integral membrane proteins . 5. List six major functions of membrane proteins. 6. Explain the role of membrane carbohydrates ( glycoprotein, glycolipid ) in cell-cell recognition. 7. Describe the basic structure of a plant cell wall. 8. Describe the structure and list four functions of the extracellular matrix in animal cells. 9. Explain how the extracellular matrix may act to integrate changes inside and outside the cell.
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