Which term best describes the following scenario? Calcium ions travel through the cell membrane into the cell, using an integral protein. There is a higher concentration of calcium in the cell.

facilitated diffusion

Explanation:

There are three types of diffusion:

1-simple diffusion: ions are moved from areas of higher

concentration to lower concentration

2-osmosis: moves water molecules

3-facilitated diffusion: ions move through the

membrane facilitated by transport/carrier proteins

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explanation:

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