Which of the following molecules would be expected to cross the cytoplasmic membrane rapidly and without the use of transport proteins?
A) small hydrophilic molecules only
B) ions only
C) small hydrophobic molecules only
D) large molecules only
E) both ions and hydrophilic molecules

Question

Quizplus · Accepted Answer

Small hydrophobic molecules can diffuse through the lipid bilayer of the cytoplasmic membrane rapidly without the need for transport proteins due to their ability to dissolve in the lipid environment.

Which of the Following Molecules Would Be Expected to Cross