M.Sc. Bio-Chemistry (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

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5.

Ouabain, a cardiac glycoside inhibits Na+K+ ATPase through which of the following ways;

A: By decreasing the fluidity of membrane near pump
B: By increasing the fluidity of membrane near pump
C: Intracellular binding to pump
D: Extracellular binding to pump

The answer is: D