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What materials diffuse in and out of a cell across the cell membrane
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What materials diffuse in and out of a cell across the cell membrane

User Tmthyjames
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The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
User Mukesh Kumar Gupta
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