Role Of Active Transport ((exclusive)) -

He looked back at the membrane and saw the —small, passive doors that let potassium trickle back into the cell when it wanted. And he realized: the gatekeeper’s exhausting, constant, active work—shoving three sodiums out, pulling two potassiums in—was the only reason those leak channels had any power.

Without the gatekeeper, the inside and outside would become equal. The cell’s voltage would flatline. Nerve signals would stop. Muscles would freeze. The heart would forget its rhythm. role of active transport

But then he understood.