Which of the following molecules has the highest rate of simple diffusion across the phospholipid bilayer?

Name: Which of the following molecules has the highest rate of simple diffusion across the phospholipid bilayer?
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Question

Quizplus · Accepted Answer

Laughing gas (nitrous oxide) is a small, nonpolar molecule which can easily diffuse across the phospholipid bilayer through simple diffusion. Glucose, lysine, and potassium ions are all larger or charged molecules that would require specific transport proteins to cross the membrane.

Which of the Following Molecules Has the Highest Rate of Simple