Biomolecules - Result Question 31

####31. Which one of the following structures represents the peptide chain?

[2004]

(a)CNC(=O)NC(C)C(C)NC

(b)CNC(=O)C(C)(C)C(C)(C)NC(C)(C)C(C)(C)C(C)(C)C(C)(C)C

(c)CNC(C)(C)C(=O)NC(C)(C)C(=O)NC(C)(C)C=O

(d)CNC(C)(C)C(C)(C)C(=O)NC(C)(C)C(C)(C)NC(=O)C(C)(C)C(C)(C)C

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Solution:

  1. (c) The bond formed between two amino acids by the elimination of a water molecule is called a peptide linkage or bond. The peptide bond is simply another name for amide bond.

of one amino acid other amino acid

The product formed by linking amino acid molecules through peptide linkages. $-CO-$ $NH-$, is called a peptide.



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