Cell The Unit Of Life Question 83
Question: Which of the following substances is most likely to permeate a membrane by diffusing directly through the lipid bilayer?
Options:
A) $ {K^{+}} $
B) Glucose
C) $ C{l^{-}} $
D) $ O_2 $
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Usually only small, nonpolar molecules can move through the lipid bilayer of the membrane by simple diffusion.
Because a molecule of oxygen has a balanced electron distribution, it is nonpolar.
BETA
