If a Molecule Crosses a Membrane and Is Quickly Removed

question 44

Multiple Choice

If a molecule crosses a membrane and is quickly removed from the area by the blood stream or some biological pathway, what effect does this have on its rate of diffusion?

• A) Diffusion rate will not be affected.
• B) Diffusion rate will increase.
• C) Diffusion rate will remain constant.
• D) Diffusion rate will progressively decrease until zero.
• E) Diffusion rate will decrease.

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