How does the guard cells regulate opening and closing of stomatal pores?
Answers
Explanation:
Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata. ... In figure B, the guard cells have lost water, which causes the cells to become flaccid and the stomatal opening to close. This may occur when the plant has lost an excessive amount of water.
Answer:
Guard cells are specialized cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore.
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.