Which of the following molecules does NOT easily diffuse across a plasma membrane?
A)small polar molecules
B)large polar molecules
C)gases
D)both small and large polar molecules

Question

Quizplus · Accepted Answer

Large polar molecules do not easily diffuse across a plasma membrane because they are hindered by their size and polarity. Small polar molecules, gases, and nonpolar molecules can diffuse across the membrane.

Which of the Following Molecules Does NOT Easily Diffuse Across