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Which of these particles is able to pass freely through a cell membrane? O A. A nucleic acid molecule B. A polysaccharide molecule O c. A disaccharide molecule O D. A carbon dioxide molecule
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Which of these particles is able to pass freely through a cell membrane?

O A. A nucleic acid molecule
B. A polysaccharide molecule
O c. A disaccharide molecule
O D. A carbon dioxide molecule

User Nagesh Susarla
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1 Answer

1 vote

Answer:

D

Step-by-step explanation:

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 Kien Dang Ngoc
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