The primary structure of a protein molecule has

(a) two ends (b) one end (c) three ends (d) no ends

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Solution

(a) The primary structure of a protien refers to a linear sequence of amino acids in polypeptide chain, held together by peptide bonds. These are two ends of a polypeptide chain, carboxyl terminus (C-terminus) and the amino terminus (N-terminus) based on the nature of the free group on each extremity.

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The primary structure of a protein molecule has

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The primary structure of a protein molecule has (a) two ends (b) one end (c) three ends (d) no ends

The primary structure of a protein molecule has

(a) two ends (b) one end (c) three ends (d) no ends