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Which statement is not true about aquaporins?
Question

Which statement is not true about aquaporins?

A.

They are located in both the plasma membrane and the tonoplast.

B.

The water movement through aquaporins is always active.

C.

The abundance of aquaporins in a plant cell varies with environmental conditions.

D.

They facilitate the movement of water across membranes.

Correct option is B


Water movement through aquaporins is passive, not active, as it follows the water potential gradient across membranes.

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