Question 1
Compared to the outside surface, the inside of a resting cell membrane is
◦ positively charged whenever the sodium-potassium pump is active.
◦ electrically neutral.
◦ continuously reversing its electrical charge.
◦ negatively charged.
◦ positively charged.
Question 2
Caveolae and clathrin-coated pits are both used in
◦ phagocytosis.
◦ exocytosis.
◦ endocytosis.
◦ All of the answers are correct.
◦ None of the answers are correct.