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Can ions pass through lipid bilayer

4 years ago in Discussion By Vineet


Someone please help me resolve my query. I want to know if ions can pass through lipid bilayer.

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By Akramul Haque Answered 4 years ago

No, ions can’t cross this lipid bilayer on their own: they must be carried across by special proteins.


By Rajesh Gundlapalli Answered 4 years ago

NO. Ions cannot pass through lipid bilayer because ions are polar. Because their entry gets restricted by the presence of hydrophobic tails. The fatty acid tails being non-polar in nature repel any polar or charged particle and hence don’t allow ions to enter the layer or escape out of it.


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