ErnestoBalkinid
Answered

Why do O2 and CO2 pass through the plasma membrane?

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Lrathburnid
Dioxide and Carbon Dioxide, O2 and CO2, pass through the plasma membrane because they are both soluble and non polar. If they weren't soluble then it would be considered facilitated diffusion.
Smmwaiteid

Answer

They are non-polar and have small molecules.


Explanation

Oxygen ans  carbon dioxide have very small molecules that can pass through the plasma membrane. The two are also non-polar gases, they are soluble.

The two gases undergo this simple diffusion through the membrane in response to concentration gradients.


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