BI-909
Root hair cells
Biology · Secondary 3 · Medium · Root hair cells
A root hair cell in well-aerated soil takes up potassium ions by active transport. What would happen to the rate of potassium ion uptake if the soil becomes waterlogged, reducing oxygen around the roots?
- It decreases because less energy is available for active transport
- It increases because more water carries in potassium ions
- It stays the same because active transport does not need oxygen
- It stops because diffusion cannot occur without oxygen
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