In proteins, the peptide bond is best described as a:
AEster linkage between -OH and -COOH of the amino acids on chain
BGlycosidic linkage between successive sugar units along the chain
CAmide bond between $\alpha$-COOH of one residue and $\alpha$-NH$_2$ of next
DPhosphodiester linkage like in DNA structure backbone of the chain
Answer & Solution
Correct answer: C. Amide bond between $\alpha$-COOH of one residue and $\alpha$-NH$_2$ of next
Peptide bond is an amide bond: -CO-NH-, between -COOH and -NH$_2$ of two amino acids.
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