BI-2073
Root hair cells
Biology · Secondary 4 · Medium · Root hair cells
A plant root cell is surrounded by soil water that has a lower concentration of mineral ions than the cell sap. The concentration of nitrate ions is higher inside the root cell than in the soil water.
How do nitrate ions enter the root cell from the soil?
How do nitrate ions enter the root cell from the soil?
- By diffusion through the cell wall only.
- By osmosis through the cell membrane.
- By active transport through the cell membrane.
- By transpiration pull in the xylem.
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