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What cannot pass through the lipid bilayer they require a carrier protein of the membrane to facilitate their transport across the membrane 1 non polar molecules 2 polar molecules 3 hydrophobic molecules 4 2 and 3 why not the ans is 4 explain the ans in appropriate manner?
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What cannot pass through the lipid bilayer they require a carrier pro...

Cannot pass through the lipid bilayer:

- 1. Polar molecules: Polar molecules are hydrophilic and cannot pass through the hydrophobic core of the lipid bilayer without the help of carrier proteins.

- 2. Hydrophobic molecules: Hydrophobic molecules are repelled by the hydrophilic environment of the lipid bilayer and also require carrier proteins for transport across the membrane.

Why not the answer is 4:

The correct answer is not 4 (2 and 3) because both polar and hydrophobic molecules individually require carrier proteins for transport across the lipid bilayer. While polar molecules cannot cross due to their hydrophilic nature, hydrophobic molecules cannot cross due to repulsion from the hydrophilic environment. Therefore, both types of molecules need the assistance of carrier proteins to facilitate their transport across the membrane.
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What cannot pass through the lipid bilayer they require a carrier protein of the membrane to facilitate their transport across the membrane 1 non polar molecules 2 polar molecules 3 hydrophobic molecules 4 2 and 3 why not the ans is 4 explain the ans in appropriate manner?
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