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Proteins interact with which part of the cell membrane?

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Proteins interact with which part of the cell membrane?

(a) Hydrophobic tail

(b) Polar head

(c) Non polar head

(d) Hydrophilic tail

I had been asked this question in exam.

My question is from Gastrointestinal Absorption of Drugs topic in division Absorption of Drugs of Drug Biotechnology

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The correct option is (b) Polar head

To elaborate: Proteins are always bonded to the polar head part of the cell membrane, which is usually hydrophilic in nature. It is known that the heads are always polar and the tails are nonpolar, i.e hydrophobic in nature.

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