What is the nature of plasma membrane of root hair? (3 Marks)

A cell membrane structure for plant cells is semi-permeable, allowing small molecules and proteins to pass through based on size. (1 Mark)
Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. (1 Mark)
The absorbed water is transported through the roots to the rest of the plant where it is used for different purposes. (1 Mark)