Membrane Permeability
Cell Biology
>
Membrane Transport
>
Passage Across the Cell Membrane
Q. Which of the following modifications would increase a molecule’s ability to diffuse across the cell membrane?
a
Protonating its carboxylate group (carboxylate = COO- )
b
Attaching a carboxyl group to it (COOH)
c
Attaching a long hydrophilic tail to its carboxyl group
d
Deprotonating its hydroxyl group (OH -> O- )
Log In
or
Start Your Free Trial
to view the answer.