What do you mean by guard cell??
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pair of curved cells that surround stoma of stigmata.
shreya8199:
guard cell is an epidermal cell that can open the stomata to take in or release oxygen, carbon dioxide and water, consequently enabling these molecules to travel through the stomata. Guard cells are shaped like kidneys or sausages and the walls normally vary in rigidity.
Answered by
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Each of pair of curved cells that surround a stoma, becoming larger or smaller according to pressure within the cells.
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