Question

(4) glycocalyx
Poisons like cyanide inhibit Na+ efflux and K
influx. The effect is reversed by injection of
ATP. It shows that
(1) Na+ - K+ pump operates fully in cells
(2) ATP is hydrolysed by ATPase to release
energy
(3) Energy for Nat-K+ pump comes from
ATP hydrolysis
(4) ATP is a carrier protein


Pls don't spam guys.
And pls give explanation as well.​

Answer 1

I think option 3 is correct.