Na+ Is Released from Its Binding Site on the Na

Na+ is released from its binding site on the Na+/ K+ pump as a result of the

A) enzyme on the inside of the cell which cleaves the Na+ from its binding site.
B) conformational change decreasing the affinity of the Na+ binding site.
C) exposure of the Na+ binding site to the inside of the cell.
D) binding of K+ to its binding site.
E) interaction of the Na+ and K+ binding sites.