Which of the following statements best explains why the sodium-potassium pump is an electrogenic pump? It generates voltage across the membrane. It is used to drive the transport of glucose against a concentration gradient. It decreases the voltage difference across the membrane. It transports equal quantities of Na$^+$ and K$^+$ across the membrane in opposite directions.
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This process requires the hydrolysis of ATP to provide the energy needed for the pump to work. Now, let's analyze the statements: A. It generates voltage across the membrane. This statement is correct. The sodium-potassium pump actively transports three sodium Show more…
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The sodium-potassium pump is called an electrogenic pump because it ______. Select one: a. is used to drive the transport of glucose against a concentration gradient b. decreases the voltage difference across the membrane c. pumps equal quantities of Na+ and K+ across the membrane in opposite directions d. generates voltage across the membrane
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A sodium-potassium pump within a cell membrane requires energy to move sodium and potassium ions into or out of the cell. The movement of glucose into or out of the cell does not require energy. Which statement best describes the movement of these materials across a cell membrane?
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The sodium-potassium pump a. works through a series of conformational changes to move sodium and potassium ions across a membrane. b. is a symporter. c. moves sodium down its concentration gradient and potassium against its concentration gradient. d. All of the above
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Active Transport Across Membranes Requires Energy
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