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.
Correct Answer:

Verified
Correct Answer:
Verified
Q8: The human hormone estrogen is highly nonpolar.After
Q9: The higher the osmolarity of a solution,the
Q10: Most organic solutes cross epithelial membranes by
Q11: You examine a cell by electron microscopy
Q12: Most cells can perform pinocytosis,but only a
Q14: Specific proteins in the membranes mediate movement
Q15: Cholesterol-containing lipoproteins are cleared from the blood
Q16: Which is true about mediated transport of
Q17: The final equilibrium state reached by a
Q18: A disease that resulted in defective Na⁺/K⁺