What structures-organelles are common to plant cells

1. Why does heat treatment cause leakage of betacyanin from beetcells?

2. Why does the freezing treatment cause the same thing?

3. What structures/organelles are common to plant cells?

4. Why does acetone and methanol cause leakage of betacyanin from beet cells? Think about polarity vs. nonpolarity.

5. How is the conservation of water by the kidney accomplished? Explain the mechanisms involved

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