Which statement describes how diffusion works?

Molecules always move from inside of the cell to outside of the cell. Molecules always move from areas of high concentration to low concentration. Molecules always move from areas of low concentration to high concentration. Molecules always move from of outside the cell to inside of the cell.

Question

Braiden Phillips

Physics

7 December, 13:07

Which statement describes how diffusion works?

Molecules always move from inside of the cell to outside of the cell. Molecules always move from areas of high concentration to low concentration. Molecules always move from areas of low concentration to high concentration. Molecules always move from of outside the cell to inside of the cell.

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Answers (1)

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Rosa · Answer 1

The correct answer is the second one: Diffusion is a process where: molecules always move from a high concentration to low concentration.

This process occurs because molecules move in random directions and intermingle with other molecules. They have a certain velocity which depends on their kinetic energy.