The movement of potassium into an animal cell requires
A)low cellular concentrations of sodium.
B)high cellular concentrations of potassium.
C)an energy source such as ATP or a proton gradient.
D)a cotransport protein.
E)a gradient of protons across the plasma membrane.

Question

Quizplus · Accepted Answer

The movement of potassium into an animal cell requires an energy source such as ATP or a proton gradient to overcome the electrochemical gradient, as the concentration of potassium inside the cell is already high.

The Movement of Potassium into an Animal Cell Requires