Question

A bond formed between carboxyl group of one amino acid and amino group of adjacent amino acid, is called

• A. peptide bond
• B. hydrogen bond
• C. covalent bond
• D. all of these

Answer 1

The correct option is A peptide bond

A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule; thereby, releasing a molecule of $H_{2}O$. This is a dehydration synthesis reaction and usually occurs between amino acids and the resulting molecules is an amide.