What's the sodium-potassium-ATPase of the cell membrane?
Biology
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The sodium-potassium-ATPase (Na⁺/K⁺-ATPase) is an enzyme and an ion pump located in the plasma membrane of all animal cells.
It actively transports three sodium ions (Na⁺) out of the cell and two potassium ions (K⁺) into the cell for each molecule of ATP hydrolyzed. This process maintains the electrochemical gradient across the cell membrane, which is crucial for nerve impulse transmission, muscle contraction, and maintaining cell volume.
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