The compound ouabain is a specific inhibitor of the active transport of Na+ out of the cell. For each of the following precesses in your body, would you expect the process to be sensitive to inhibition by ouabain? Explain each choice.
A. Facilitated diffusion of glucose into the muscle cells
B. Active transport of dietary phenylalanine across intestinal mucosa cells
C. Uptake of potassium ions by red blood cells
