7. Select, from the definitions below, the definition of diffusion.
a. The movement of solute molecules from an area of lower concentration to an
area of higher concentration.
b. The movement of solvent molecules from an area of higher concentration to an
area of lower concentration.
c. The movement of solute molecules from an area of higher concentration to an
area of lower concentration.
d. The movement of solute and solvent molecules to produce desired collisions.
8. From the definitions below, select the definition of a hypotonic solution.
a. A solution that has a greater concentration than that of a normal cell.
b. A solution that has a lesser concentration than that of a normal cell.
c. A solution that has a tonicity equal to that of a 14.6chloride solution.
d. A solution used to cause cells to shrink.
9. A normal cell has just been placed into a very hypotonic solution. From the
descriptions below, select the best description of what would happen to that cell.
a. The cell would increase in size.
b. The cell would increase its amount of DNA.
c. The cell would decrease in volume.
d. The concentration of the cell's contents would increase.
MD0851
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