Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 2 - No. 1)
How does the concentration gradient affect the rate of diffusion?
A steeper concentration gradient speeds up diffusion.
A steeper concentration gradient slows down diffusion.
The concentration gradient has no effect on diffusion.
The relationship depends on the molecule's size.
Explanation
The steeper the gradient, the faster the rate of diffusion.
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