17. Which of the following is an active transport mechanism?
a. Osmosis
b. Facilitated diffusion
c. Filtration
d. Pinocytosis

18. Which of the following transport mechanisms transports water across the plasma membrane?
a. Osmosis
b. Facilitated diffusion
c. Phagocytosis
d. Exocytosis

19. The movement of molecules through a membrane from an area of high hydrostatic pressure to an area of lower hydrostatic pressure is
a. osmosis.
b. exocytosis.
c. simple diffusion.
d. filtration.

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The correct answer is d Pinocytosis Active transport mechanisms require energy to move substances ac... View the full answer