Question

when do guard cells swell?

Answer 1

When the water enters the cells, they swell and become bowed. This causes the guard cells to bend away from each other, thereby opening the stomata. Conversely, when guard cells lose potassium ions, water diffuses out of the cells by osmosis.

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Answer 2

When the water enters the cells, they swell and become bowed. This causes the guard cells to bend away from each other, thereby opening the stomata.






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