Which type of substance would face difficulty | vedclass

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(B) The cell membrane is primarily composed of a lipid bilayer,which has a hydrophobic interior.Substances that are hydrophobic or lipid-soluble can e

Vedclass · Accepted Answer

Substance with hydrophilic moiety

Vedclass · Answer

(B) The cell membrane is primarily composed of a lipid bilayer,which has a hydrophobic interior.Substances that are hydrophobic or lipid-soluble can easily pass through the lipid bilayer via simple diffusion.However,substances with a hydrophilic (water-loving) moiety are polar or charged and cannot easily pass through the non-polar,hydrophobic core of the lipid bilayer.Therefore,hydrophilic substances require specialized transport proteins (like channels or carriers) to cross the cell membrane.

Which type of substance would face difficulty to pass through the cell membrane?

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