Which of the following is absolutely necessary for diffusion to occur?

Name: Which of the following is absolutely necessary for diffusion to occur?
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Question

Quizplus · Accepted Answer

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached. This process does not require a living cell, a phospholipid bilayer, or a selectively permeable membrane, but it does require a concentration gradient to drive the movement of molecules.

Which of the Following Is Absolutely Necessary for Diffusion to Occur