The sodium-potassium pump helps establish an electrochemical gradient across the membrane. It concentrates sodium on the outside of the membrane. It uses a carrier protein and chemical energy. It is present in the plasma membrane. All of these are correct.
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The sodium-potassium pump does help establish an electrochemical gradient across the membrane by moving sodium ions out of the cell and potassium ions into the cell. b. The pump does concentrate sodium on the outside of the membrane by actively transporting Show more…
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The sodium-potassium pump a. helps establish an electrochemical gradient across the membrane. b. concentrates sodium on the outside of the membrane. c. uses a carrier protein and chemical energy. d. is present in the plasma membrane. e. All of these are correct.
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One transport protein we'll come back to multiple times in the course is the sodium-potassium pump. What happens as a result of the action of the sodium-potassium pump? Choose both correct answers. Sodium and potassium ions move across the membrane passively down their gradient. There is potential energy in an ion gradient across the membrane that can be used to drive other processes. Sodium and potassium ions are at highest concentration outside the membrane. An electrochemical gradient is established across the membrane. ATP is synthesized from ADP and inoragnic phosphate.
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