Fishunter23 Fishunter23

24-06-2020
Biology

contestada

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

Respuesta :

24-06-2020

Answer:

D

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.

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