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The sodium-potassium pump is called an electrogenic pump because it ______?

سوڈیم پوٹاشیم پمپ کو الیکٹروجینک پمپ کہا جاتا ہے کیونکہ یہ ______؟

Contributes to the membrane potential.
Pumps equal quantities of Na+ and K+ across the membrane.
Ionizes sodium and potassium atoms.
None of these

Answer: Contributes to the membrane potential.

Explanation

The sodium-potassium pump moves 3 Na+ ions out and 2 K+ ions into the cell, creating an electrochemical gradient.

This unequal ion distribution contributes to the membrane potential, making the pump electrogenic.

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