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- Root hair cells have long extensions/projections (hairs) on their outer surface to increase surface area to increase rate of osmosis of water and diffusion of mineral ions - On root hair cell membranes they have pumps to absorb mineral ions by active transport - Many mitochondria to provide ATP for the active transport of ions - Thin cell wall to reduce diffusion distance for ions and water - The root hair cells themselves have a long protruding part to increase surface area for osmosis and diffusion
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