Required practical 3: Effects of osmosis on plant tissue.
- Created by: GreenGooSnake
- Created on: 05-06-20 15:30
Required practical 3: Effects of osmosis on plant tissue
I should be able to:
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Describe how to investigate the effects of osmosis on plant tissue.
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Calculate percentage change.
Osmosis
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Osmosis is the diffusion of water from a dilute solution to a concentration solution across a partially permeable membrane.
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When a plant cell is placed in water, then water will move into the cell by osmosis and the plant cell will expand.
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If we place the plant cell into a concentrated solution, then water moves out of the plant cell by osmosis. This causes the cell to shrink.
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First, we peel the potato. That is because the potato skin can affect osmosis.
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Use a cork borer to produce three cylinders of potato. Using a cork borer makes all the cylinders the same diameter.
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