Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 1 - No. 41)
Which of the following statements is true about the rate of diffusion?
The rate of diffusion is slower at higher temperatures.
The rate of diffusion is faster with a smaller concentration gradient.
The rate of diffusion is faster when molecules are larger.
The rate of diffusion is faster with a larger concentration gradient.
Explanation
A larger concentration gradient will speed up the rate of diffusion.
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