Question 12

(Multiple Choice)

Which of the following statements regarding the diffusion of a nonpolar solute X across a cell membrane is correct?


A)At equilibrium,the net flux of X across the cell membrane is zero.
B)At equilibrium,X will cease moving across the cell membrane.
C)Solute X will be unable to reach equilibrium because it is nonpolar.
D)Solute X will reach equilibrium,but the concentration will be much higher on the inside of the cell because of the smaller volume.
E)At equilibrium,movement of X across the membrane will be much faster in one direction than in the other.

Answer