Root Hair Cells Flashcards

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What is the main function of root hair cells?

To absorb water and mineral ions from the soil into the plant.

In the outer layer of the root, just behind the root tip.

It gives a large surface area so they can absorb more water and mineral ions.

By osmosis, where water moves from the soil into the cell through a partially permeable membrane.

They use active transport, which needs energy from respiration.

To release energy for active transport of mineral ions from the soil.

Thin walls shorten the distance for water and mineral ions to move into the cell.

Together they give a very large surface area to absorb more water and minerals.

They absorb water so plant cells stay turgid and the plant stays upright.

Water and mineral ions pass into xylem vessels in the root and are carried up the plant.