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25 votes
Which of these can fit through the
small spaces of the cell
membrane?

1 Answer

11 votes

Answer:

Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.

Step-by-step explanation:

Hope this helps you!

User Yasitha Bandara
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