....... cannot pass through the lipid bilayer | vedclass

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(A) The cell membrane is composed of a lipid bilayer which is hydrophobic in nature. Non-polar and hydrophobic molecules can easily pass through the l

Vedclass · Accepted Answer

Polar molecules

Vedclass · Answer

(A) The cell membrane is composed of a lipid bilayer which is hydrophobic in nature. Non-polar and hydrophobic molecules can easily pass through the lipid bilayer due to their lipid-soluble nature. However,polar molecules (hydrophilic) cannot pass through the non-polar lipid bilayer easily. Therefore,they require specific membrane proteins,known as carrier proteins or channel proteins,to facilitate their transport across the membrane. This process is called facilitated diffusion.

....... cannot pass through the lipid bilayer. They require carrier proteins in the membrane for facilitated transport.

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