Which of the following statements about the Na⁺/K⁺ pump is False?
A) It transports Na⁺ out of the cell and K⁺ into the cell. B) It is present in neurons. C) Its activity requires the expenditure of metabolic (cellular) energy. D) It transports Na⁺ and K⁺ in a 1:1 ratio.
Which of the following statements about the resting membrane potential is True?
A) It is normally equal to zero volts. B) The inside of the membrane is positively charged compared to the outside. C) It results, in part, from the concentration gradients for Na⁺ and K⁺. D) It is due in part to the presence of extracellular proteins.