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Which of the following is a true statement about diffusion?

ADiffusion is only important for animal cells.
BDiffusion requires energy input from the cell.
COnly water can diffuse across a cell membrane.
DMolecules move from areas of high concentration to areas of low concentration.

Verified Answer :

The correct statement is this one: Molecules move from areas of high concentration to areas of low concentration.



This is true also for diffusion outside of organisms, for example diffusion of gases in a room.

The other options are false.

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