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Transcript
Cell Membranes Load the class website Winnacunnet Biology [email protected] Mouse over Biology Honors, then Cell Biology and click on Cell Membrane. This will load the video for cell membranes. Watch it and answer the questions below. 1. Why it the term “Selectively Permeable” used to describe the cell membrane? 2. Why is the term “Fluid Mosaic” used to describe the structure of the cell membrane? 3. What role do membrane proteins have in the cell membrane? 4. What are two things cell walls provide for a cell and in which types of organisms will they be found? Again on the class website Winnacunnet Biology [email protected] Mouse over Biology Honors, then Cell Biology and click on Transport Across Cell Membranes. This will load the video. Watch it and answer the questions below. 1. Why is diffusion so important to cells? 2. What are two differences between Passive and Active Transport? 3. Why will putting salt on a slug cause its cells to lose water (dehydrate)? 4. What makes Simple Diffusion different from Facilitated Diffusion? 5. Why is the use of the Sodium Potassium Pump Protein a form of Active Transport? 6. Two ways a cell can use to move LARGE quantities of material in or out of the cell are two Active Transport Processes called