BI-536
Diffusion
Biology · Secondary 3 · Medium · Diffusion
A root hair cell is absorbing nitrate ions from the soil. The concentration of nitrate ions inside the root hair cell is higher than in the surrounding soil solution. Which process is mainly responsible for the uptake of nitrate ions in this situation?
- Active transport
- Diffusion
- Osmosis
- Facilitated diffusion down the concentration gradient
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