Two ATP Molecules Could Provide Energy for a Sodium-Potassium Pump

Multiple Choice

Two ATP molecules could provide energy for a sodium-potassium pump to move ____ ions out of the cell for every ____ ions it moves into the cell.

A) 6 Na+; 3 K+
B) 2 Na+; 3 K+
C) 3 K+; 6 Na+
D) 3 K+; 2 Na+
E) 12 Na+; 6 K+