Read pgs Complete Review QUESTIONS

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Cell membranes are composed of two phospholipid layers.

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Presentation transcript:

Read pgs.77-80. Complete Review QUESTIONS What is a cell membrane? What is it’s function? 2. Draw and label a phospholipid. How are they arranged in the cell membrane? What are phospholipids composed of? 3. Draw a cell membrane and label the following: protein, cholesterol, protein channel, carbohydrate, phospholipid 4. Is a receptor a protein, carbohydrate or lipid? What are the 2 types of receptors? And what are the differences between them? Draw each type of receptor. 5. What is homeostasis? 6. Explain how a tea bag is selectively permeable. What is another example of selective permeability? 7. How many layers does the cell membrane have? What is it composed of? 8. Name 3 molecules we find in the cell membrane. 9. What is the fluid mosaic model?