Most of the ATP generated in nerve cells is utilized to energize the:: (A) Na-Ca exchanger, (B) H-ATPase in the cell membrane, (C) Na-K ATPase, (D) synthesis of proteins
Answer is C. Ans. C. Na-K ATPaseA large fraction of ATP (nearly 70%) synthesized in neurons is used to energize the Na-K ATPase and maintain ion gradients across the nerve cell membrane.