Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 1 - No. 2)
In which of the following scenarios would you NOT expect to see active transport occurring?
Absorption of glucose in the small intestine.
Uptake of mineral ions by plant roots.
Movement of oxygen into red blood cells.
Reabsorption of useful substances in the kidney tubules.
Explanation
The movement of oxygen into red blood cells is by diffusion.
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