Nonpolar hydrophobic molecules such as steroids move across cell membranes by

Question

Quizplus · Accepted Answer

Nonpolar hydrophobic molecules, such as steroids, are able to easily pass through the hydrophobic interior of cell membranes by simple diffusion. This is because the lipid bilayer of the membrane is also hydrophobic and will naturally allow nonpolar molecules to pass through it without the need for any transport proteins or energy expenditure. Therefore, the correct answer is C, simple diffusion.

Nonpolar Hydrophobic Molecules Such as Steroids Move Across Cell Membranes