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# The linkage which binds various amino acids in secondary structure of proteins is

$\begin {array} {1 1} (A)\;\text{Glycoside linkage} & \quad (B)\;\text{Peptide linkage} \\ (C)\;\text{Ionic linkage } & \quad (D)\;\text{Hydrogen bond} \end {array}$

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The peptide linkage is formed between amino groups of one amino acid with $COOH$ group of another for e.g.,
Ans : (B)
answered Mar 27, 2014