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What is the left end of the primary structure of proteins represented by?

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in Biology – Class 11 by (272k points)
What is the left end of the primary structure of proteins represented by?

(a) First amino acid

(b) Last amino acid

(c) Cofactor

(d) Methyl group

This question was posed to me in an interview.

My query is from Biomolecules topic in portion Biomolecules of Biology – Class 11

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Right option is (a) First amino acid

Easiest explanation: The primary structure of amino acids is made of monomers of amino acids. Hence, cofactors are absent. The left end of the primary or linear structure of proteins is represented by the first amino acid.

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