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Chapter 7

Question:

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

A) pumps equal quantities of Na+ and K+ across the membrane.

B) pumps hydrogen ions out of the cell.

C) contributes to the membrane potential.

D) ionizes sodium and potassium atoms.

E) is used to drive the transport of other molecules against a concentration gradient.



Answer:

C) contributes to the membrane potential.



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Last update by mayur on 03/27/2014
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Chapter 7
Chapter 7
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Question: The sodium-potassium pump is called an electrogenic pump because it A) pumps equal quantities of Na+ and K+ across the membrane. B) pumps hydrogen ions out of the cell. C) contributes to the membrane potential. D) ionizes sodium and potassium atoms. E) is used to drive the transport of other molecules against a concentration gradient.
Answer: C) contributes to the membrane potential.