Sodium-Potassium Pump

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4 Terms

1
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What is the sodium-potassium pump?

an ion-transporting protein that maintains the ion balance of cells

2
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What is the first main function of the pump?

  • maintaining resting potential

    • through active transport, the pump maintains the charge difference on both sides of the cell membrane

3
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What is the second main function of the pump?

  • regulating cell volume

    • prevents excessive accumulation of sodium ions and water inside the cell, which could lead to cell rupture

4
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What is the third main function of the pump?

  • protection against sodium toxicity

    • it protects the cell from toxic sodium buildup by removing excess sodium ions