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Name _________________________________________ Section ______ Pre-Lab Questions - Cell Structure and Function: 1. What is diffusion as it relates to cells? 2. What is osmosis as it relates to cells? 3. Make a comparison list of eukaryotic vs. prokaryotic cells. Include in the list a comparison of the types of nuclei, types of organelles, cell wall structure, cell membrane structure, size, photosynthetic apparatus, and shape. 4. What is tonicity? 5. What is meant by hypertonic, hypotonic and isotonic? 6. The movie of onion cells in a hypertonic solution shows the cell shrinking away from the cell wall. Describe why this is happening. 7. The movie of red blood cells in a hypertonic solution shows the cells in crenation. What is crenation and why does it happen to cells in a hypertonic solution and not in an isotonic solution? 8. What would happen to the red blood cells if they were placed in a hypotonic solution? 9. What is plasmolysis? 10. What is cytoplasmic streaming?