Answered

Which describes the function of the sodium-potassium ATPase pump?

A. The pump maintains the level of sodium ions (Na) and potassium ions (K) inside and outside the cell.
B. The pump maintains the level of calcium ions (Ca2+) and potassium ions (K) inside and outside the cell.
C. The pump maintains the level of sodium ions (Na) and calcium ions (Ca2+) inside and outside the cell.



Answer :

GinnyAnswer

Final answer:

The sodium-potassium ATPase pump moves sodium out of the cell and potassium into the cell against their concentration gradients, maintaining the electrochemical gradient within cells.


Explanation:

The sodium-potassium ATPase pump, also known as the Na+/K+ pump, plays a crucial role in maintaining the electrochemical gradient in cells by moving sodium ions out of the cell and potassium ions into the cell against their concentration gradients. This process requires energy in the form of ATP, with three sodium ions being pumped out for every two potassium ions pumped in.

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