There is a higher sodium concentration on the inside of the cell than there is on the outside of the cell. How will the sodium particles move and by what process? Sodium will move from the outside of the cell to the inside of the cell by osmosis. Sodium will move from the inside of the cell to the outside of the cell by osmosis. Sodium will move from the outside of the cell to the inside of the cell by diffusion. Sodium will move from the inside of the cell to the outside of the cell by diffusion.

Question

Biology

Lennon Liu

28 December, 18:26

There is a higher sodium concentration on the inside of the cell than there is on the outside of the cell. How will the sodium particles move and by what process? Sodium will move from the outside of the cell to the inside of the cell by osmosis. Sodium will move from the inside of the cell to the outside of the cell by osmosis. Sodium will move from the outside of the cell to the inside of the cell by diffusion. Sodium will move from the inside of the cell to the outside of the cell by diffusion.

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Kolby Tran · Answer 1

Sodium will move from the inside of the cell to the outside of the cell by diffusion.

Explanation:

A difference in concentration of a substance in two regions induces movement of that substance from the area of high concentration to the area of low concentration. Since the movement is according to a concentration gradient there is no need for energy expenditure. This is called passive diffusion.

In this case passive diffusion of sodium will occur. If a substance has to be moved against its concentration gradient energy is required and this process is called active diffusion.