Botany (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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33.

Poisons like cyanide inhibit Na+ efflux and K+ influx. The effect is reversed by injection of ATP. It shows that

A: Na+ - K+ pump operates fully in cells
B: ATP is hydrolyzed by ATPase to release energy
C: Energy for Na+ - K+ pump comes from ATP hydrolysis
D: ATP is a carrier protein

The answer is: C

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