Bio-Chemistry (M.Phil./Ph.D.) 2018 Panjab University Entrance Exam With Answers

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32.

Which of the following statements about the mechanism of the Na+/K+ pump is correct?

A: The Na+/K+ ATPase uses energy to pump Na+ outside the cell and K+ inside.
B: The Na+/K+ ATPase uses energy to pump Na+ inside the cell and K+ outside.
C: The Na+/K+ ATPase uses energy to bind both Na+ and K+ in turn.
D: The phosphorylation of the Na+/K+ ATPase does not change its conformation.

The answer is: A

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