science
Grade-10
Easy

Question

____ membrane pump is responsible for keeping the higher concentration of potassium ion inside than outside a cell.

  1. Na+ K+ pump
  2. H+ K+ pump
  3. The calcium-hydrogen pump
  4. The ATP-ADP pump

hintHint:

Na+ K+ membrane pump is responsible for keeping the higher concentration of potassium ions inside than outside a cell.

The correct answer is: Na+ K+ pump


    • A higher concentration of sodium has to be maintained extracellularly.
    • A higher concentration of potassium has to be maintained intracellularly.
    • To keep up the membrane potential, the sodium-potassium pump maintains a higher concentration of potassium inside the cell.

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