Cell Structure and Biological Membranes
1. Name two components that are present in plant cells but absent in animal cells. What is the function of each of the components? (1 pt)
2. What cellular structure do cells from an Elodea leaf have that cells from an onion bulb do not? Why is this the case? (1 pt)
3. Describe what happened to the cells from an Elodea leaf when you added salt water to them. Why did this happen? (1 pt)
4. Does liquid dye diffuse faster in hot or cold water? Explain why. (1 pt)
5. In the experiment with decalcified eggs, describe what happened to the mass of each egg over time. Why did the mass of each egg change? Correctly use the following words in your answer to receive full credit: osmosis, tonicity, hypertonic, hypotonic. (1 pt)
