The sodium-potassium pump ________.
A) pumps three sodium ions outside the cell and two potassium ions inside
B) pumps two sodium ions outside the cell and three potassium ions inside
C) pumps three sodium ions inside the cell and two potassium ions outside
D) pumps two sodium ions inside the cell and three potassium ions outside
Answer: A) pumps three sodium ions outside the cell and two potassium ions inside