Question

Na⁺ - K⁺ pump

I. Needs energy (ATP) to work

II. Expels 3 Na⁺ for every 2K⁺ ions imported

III. Works against a concentration gradient

IV. Maintains resting potential

• A. All are correct
• B. Only II and III are correct
• C. Only I and III are correct
• D. None is correct

Answer 1

Answer: (A)

All are correct