Biology · Cell Membrane Permeability
Which of the following arrangements correctly represents the permeability of molecules across a lipid bilayer in decreasing order?
- 1Gases > Ions > Small uncharged polar molecules > Non-polar molecules
- 2Gases > Non-polar molecules > Small uncharged polar molecules > Large uncharged polar molecules > Ions✓
- 3Uncharged polar molecules > Charged polar molecules > Gases > Ions
- 4Ions > Gases > Non-polar molecules > Charged polar molecules
Correct answer
Gases > Non-polar molecules > Small uncharged polar molecules > Large uncharged polar molecules > Ions
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