The \(CO - NH\) bond is called a peptide bond.
In the given peptide chain the number of peptide bonds is \(2\) (shown in the above image by red mark).
સુક્રોઝ $\xrightarrow[{Cleavage\,\,(Hydrolysis)}]{{Gly\cos idic\,bond}}A + B\xrightarrow[{{\text{reagent}}}]{{{\text{Seliwanoff 's}}}}?$