Question

What is peptide linkage?

Hint:

- Peptide bonds form the backbone of proteins. - Hydrogen bonds are weak but critical for stabilizing the structure of DNA. - Starch is a major energy storage polysaccharide in plants. - Water-soluble vitamins are essential for metabolic processes, while fat-soluble vitamins are stored in fat tissues.

Answer 1

A peptide linkage is a covalent bond that joins two amino acids through the carboxyl group (\(-COOH\)) of one amino acid and the amino group (\(-NH_2\)) of another, forming a \(-CONH-\) bond. This reaction results in the elimination of water (\(H_2O\)) and is known as a peptide bond. \[ \text{Amino acid 1} - \text{COOH} + \text{Amino acid 2} - \text{NH}_2 \rightarrow \text{Peptide bond} + H_2O \]