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Which of the following structures repres...

Which of the following structures represents the peptide chain?

A

B

C

D

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The correct Answer is:
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.

The product formed by linking amino acid molecules through peptide linkages. `-CO-NH-` is called a peptide.
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  13. Which of the nitrogen of histidine is first protonated ?

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