3 years ago

How are potassium and sodium transported across plasma membranes?

1 answer:

3 0

A resting plasma membrane has carrier proteins on its surface. Energy derived from ATP is usually utilized by these carriers to change their shape in order to carry different molecules into or out of the cell. The sodium pump is a membrane protein which uses energy from ATP to carry sodium ions out of the cell and allow potassium ions into the cell to replace sodium.

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