Which of the following molecules can be easily transported by passive diffusion? A) HCHO B) CH₃COOH C) H₂O D) CO₂ E) both C and D

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Passive diffusion is a process that allows small, nonpolar molecules to move across the cell membrane without the need for energy or transport proteins. Both choices C (H₂O) and D (CO₂) represent small molecules that are likely nonpolar or minimally polar, making them capable of easily passing through the lipid bilayer of the cell membrane by passive diffusion.

Which of the Following Molecules Can Be Easily Transported by Passive