NEET UG BIOLOGY MCQ: NEURAL CONTROL AND COORDINATION

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N{a^ + }

{K^ + }

pump is found in membranes of many cells, like nerve cells. It works against electrochemical gradient and involve of ATP used

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Correct option: A

3 ions of

N{a^ + }

are pumped out and

2{k^ + }

are taken in

Option A (3 ions of

N{a^ + }

are pumped out and

2{k^ + }

are taken in) is correct because the sodium-potassium pump actively transports 3 sodium ions out of the cell and 2 potassium ions into the cell, using ATP.

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