ATP Hydrolysis Directly Powers the Movement Of

Question

ATP hydrolysis directly powers the movement of
A)K⁺ out of cells.
B)Na⁺ out of cells.
C)Na⁺ into cells.
D)Ca⁺⁺ into cells.
E)Cl⁻ into cells.

Accepted Answer

ATP hydrolysis directly powers the movement of Na⁺ out of cells through the action of the Na⁺/K⁺-ATPase pump, which pumps Na⁺ out of the cell and K⁺ into the cell against their concentration gradients.