What are guard cells?
Answer (2)
They are part of the stomatal can be found in the skin of the leaf and stem. Guard cells have characteristic shapes can be bean-shaped or like sponge cake. They have thickened cell walls contain living protoplasm of chloroplasts (as opposed to skin cells)
Guard cells are specialized cells in the leaf epidermis that control the opening and closing of stomata, facilitating gas exchange and water regulation. They swell when water is abundant, allowing for photosynthesis, and shrink when water is scarce to conserve moisture. This process is vital for maintaining plant health and functioning.
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