Which of the following molecules is least likely to cross a cellular membrane by simple diffusion?

Name: Which of the following molecules is least likely to cross a cellular membrane by simple diffusion?
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Question

Quizplus · Accepted Answer

Potassium ions are charged particles, making them less likely to cross the hydrophobic lipid bilayer of a cellular membrane by simple diffusion compared to small, nonpolar molecules like carbon dioxide, nitrogen, and oxygen, or small polar molecules like water.

Which of the Following Molecules Is Least Likely to Cross