question_answer

The correct statement(s) among I to III with respect to potassium ions that are abundant within the cell fluids is/are

I. They activate many enzymes.

II. They participate in the oxidation of glucose to produce ATP.

III. Along with sodium ions, they are responsible for the transmission of nerve signals.

[JEE Main Online Paper Held On 12-Jan-2019 Evening]

A) III only                         

B) I and II only

C) I, II and III       

D)   I and III only