Tonicity refers to
A) the total concentration of solutes in fluids separated by a selectively permeable membrane.
B) the pressure exerted by the fluids surrounding a cell.
C) the amount of negative versus positive charges of the molecules and ions in a solution.
D) how able a cell is to resist changes in solute concentrations without bursting or shrinking.
E) the ease with which solutes can cross a particular cell membrane.
Correct Answer:
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