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Concentration Gradients and Diffusion

Concentration Gradients and Diffusion

6. Cell Membrane & Transport / Concentration Gradients and Diffusion / Problem 1

A concentration gradient can occur when:

A

The concentrations of both substances are high

B

The concentrations of both substances are low

C

The concentration of one of the substances is high and of the other is low

D

The concentrations of both substances are zero

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