When does the cell have to use active transport?

A. when the cell is low on energy

B. when the cell is in a highly concentrated solution

C. to move molecules across the membrane quickly

D. to move molecules across the membrane against a gradient

Question

Leandro Snyder

12 November, 20:12

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Answers (1)

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Emilee Terrell · Answer 1

The answer is to move molecules across the membrane against a gradient.

When does the cell have to use active transport?A. when the cell is low on energyB. when the cell is in a highly concentrated solutionC. to move molecules across the membrane quicklyD. to move molecules across the membrane against a gradient