6). A cell placed in distilled water will
    a). shrivel up.
    b). swell.
    c). lose water.
    d). result in no net diffusion of water molecules.
Answer: b

7). Sucrose cannot pass through the membrane of a red blood cell (RBC) but water and glucose can. Which solution would cause the RBC to shrink the most?
    a). a hyperosmotic sucrose solution
    b). a hyperosmotic glucose solution
    c). a hypoosmotic sucrose solution
    d). a hypoosmotic glucose solution
Answer: a

8). Which of the following processes requires membrane proteins?
    a). exocytosis
    b). phagocytosis
    c). receptor-mediated endocytosis
    d). pinocytosis
Answer: c

9). Exocytosis involves
    a). the ingestion of large organic molecules or organisms.
    b). the use of ATP.
    c). the uptake of fluids from the environment.
    d). the discharge of materials from cellular vesicles.
Answer: d

10). Molecules that are transported into the cell up their concentration gradients do so by
    a). facilitated diffusion.
    b). osmosis.
    c). coupled transport
    d). none of the above
Answer: c