Why root hairs have thin walls
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cells of the epidermis produce root hairs near the root apex. These cells are generally thin-walled, in contrast to the cells of the cortex, lying below the surface, which ultimately may become very thick-walled. The root hairs have fundamental importance in absorption of water and nutrients and in attachment of…
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They have thin walls to speed up the intake of water by osmosis. They have large vacuoles to absorb water quickly and transport it to the next cells. The vacuoles have salts, which speed up water absorption from soil water. Root hairs do not have cuticles, as this would prevent water absorption.
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