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Studentka2010 [4]
3 years ago
7

How do the small molecules of oxygen and carbon dioxide move through the cell membrane?

Biology
1 answer:
Serhud [2]3 years ago
7 0
Small molecules are able to pass through a cell membrane because the membrane itself is semipermeable. Larger molecules require the cell expend energy to transport the molecules across the cell membrane, usually by engulfing them.
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