Why does sodium and potassium ions need a protein pump to pass through the cell membrane?

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16-12-2022
Biology

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Why does sodium and potassium ions need a protein pump to pass through the cell membrane?

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contexto1212 contexto1212 · Answer 1 · 2022-12-20T09:36:34-05:00

Cell membrane have been the selective membrane that allows transportation. Sodium and potassium ions need a protein pump as they are charged particles that move against the gradient and need energy. Thus, option D is correct.

Active transport has been the way to move ions and molecules inside and outside the cell membrane. This system of transportation requires energy as the ions move from low concentration regions to the region of the higher electrochemical area.

The sodium and potassium pump needs proteins and energy to move the ions as the inside of the cell is rich in potassium and the exterior is rich in sodium ions. The charged ions moving against the concentration cannot enter the cell without energy and protein pumps.

Therefore, option D. all of the above statements are correct.