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Chapter 7

Question:

The movement of potassium into an animal cell requires

A) low cellular concentrations of sodium.

B) highcellular concentrations of potassium.

C) an energy source such as ATP or a proton gradient.

D) a cotransport protein.

E) a gradient of protons across the plasma membrane.

Answer:

C) an energy source such as ATP or a proton gradient.



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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 movement of potassium into an animal cell requires A) low cellular concentrations of sodium. B) highcellular concentrations of potassium. C) an energy source such as ATP or a proton gradient. D) a cotransport protein. E) a gradient of protons across the plasma membrane.
Answer: C) an energy source such as ATP or a proton gradient.