what are the function of guard cells?
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Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata. Plants 'breathe' and 'sweat' through their stomata, which are regulated by guard cells. Guard cells have a very important job because by opening and closing stomata, they facilitate gas exchange for photosynthesis and help minimize water loss.
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guard cells are cells surrounding each stoma,they help to regulate that rate of transpiration bye opening and closing stomata.
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