3Na⁺(inside) + 2K⁺(outside) + ATP⁴⁻ + H₂O --> 3Na⁺(outside) + 2K⁺(inside) + ADP³⁻ + Pi²⁻ + H⁺
Based on Reaction A, if all the energy produced from glycolysis were used to remove Na⁺ from a cell, how many molecules of Na⁺ would be removed per molecule of glucose?
A 3
B 6
C 9
D 12