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
