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Katena32 [7]
3 years ago
13

For stomata to close, which of the following must occur?

Biology
1 answer:
Anna [14]3 years ago
7 0

Answer:

A, B, E

Explanation:

The guard cells block water loss (transpiration) when the cells are turgid. To become flaccid, the cells must lose water. This is accomplished when the surrounding cells accumulate K+ making them hypertonic compared to the guard cells. The guard cells then lose water via osmosis.

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