Answer:
C- Protein
Explanation:
Peptide bond -
The bond between the carbonyl group and the the amine group , is referred to as peptide bond .
Peptide bond is written as -
--CONH --
From the molecules given in the question , protein molecule has peptide bond .
Since ,
protein molecules are composed of amino acid chains via some force of interactions ,
And , since , amino acid have a peptide bond .
