Chapter 7 cell membranes

chapter 7 cell membranes
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Unformatted text preview: AP Reading Guide Chapter 7: Membrane Structure and Function Fred and Theresa Holtzclaw Name_______________________Period___________ Chapter 7: Membrane Structure and Function Concept 7.1 Cellular membranes are fluid mosaics of lipids and proteins 1. The large molecules of all living things fall into just four main classes. Name them. 2. Explain what is meant when we say a molecule is amphipathic. 3. In the 1960s, the Davson-Danielli model of membrane structure was widely accepted. Describe this model and then cite two lines of evidence that were inconsistent with it. 4. Who proposed the fluid mosaic model of membrane structure? When? Describe this model. 5. What is meant by membrane fluidity ? Describe the movements seen in the fluid membrane. 6. Describe how each of the following can affect membrane fluidity: a. decreasing temperature b. phospholipids with unsaturated hydrocarbon chains c. cholesterol Copyright © 2010 Pearson Education, Inc.- 1 -AP Reading Guide Chapter 7: Membrane Structure and Function Fred and Theresa Holtzclaw 7. Membrane proteins are the mosaic part of the model. Describe each of the two main categories: integral proteins peripheral proteins 8. Use Figure 7.9 to briefly describe major functions of membrane proteins. ...
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