Question

how do guard cells regulate the opening and closing of stomatal pore
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Answer 1

Answer:

The opening and closing of stomata are controlled by the guard cells. When water flows into the guard cells, they swell up and the curved surface causes the stomata to open. When the guard cells lose water, they shrink and become flaccid and straight thus closing the stomata

Answer 2

Explanation:

The opening and closing of stomata are controlled by guard cells. When water flows in guard cell ,they swell up and when guard cells lose water , the shrinks