How do guard cells regulates opening and closing of stomatal pores?
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Explanation:
The opening and closing of the stomata is controlled by the guard cells. In light, guard cells take up water by osmosis and become turgid. Because their inner walls are rigid they are pulled apart, opening the pore. In darkness water is lost and the inner walls move together closing thepore.
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Answer:
The swelling of guard cells due to absorption of water causes opening of stomatal pores while
shrinking of guard cell closes the pores. Opening and closing of stomata occur due to turgor changes
in guard cells. When guard cells are turgid, stomatal pores is open while in flaccid conditions the
stomatal aperture closes.
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