BI-390
Diffusion
Biology · Secondary 3 · Medium · Diffusion
A root hair cell is in a soil solution that has a lower concentration of mineral ions than the cell sap. How are mineral ions mainly taken up by the root hair cell?
- By diffusion through the cell wall only
- By osmosis through the partially permeable membrane
- By active transport using energy from respiration
- By diffusion through protein channels down the gradient
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