Question

Poisons like cyanides inhibit $ N{{a}^{+}} $ effux and $ {{K}^{+}} $ influx. The effect is reversed by injection of ATP indicating that:

• A. $ N{{a}^{+}}\to {{K}^{+}} $ pump operates in all cells
• B. ATP is carrier protein
• C. Energy for $ N{{a}^{+}}-{{K}^{+}} $ pump comes from ATP
• D. ATP is hydrolysed by ATPase to release energy

Answer 1

Answer: (C)

The reversion of effect show that energy for $ N{{a}^{+}}-{{K}^{+}} $ pump comes from ATP.