Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 5 - No. 27)
What is the main function of the sodium-potassium pump?
To transport water across the membrane.
To move sodium and potassium ions across the cell membrane against their concentration gradients.
To facilitate the movement of glucose into the cell.
To remove waste products from the cell.
Explanation
The sodium-potassium pump uses active transport to maintain the proper balance of sodium and potassium ions inside and outside the cell.
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