Formation of Peptide Bond MCQ - Practice Questions with Answers

Peptide Bond, Peptide Chain and Proteins

• Peptide chain consists of two or more amino acids joined together via a covalent bond. 
• This covalent bond between two amino acid is called a peptide bond.
• A peptide bond is formed when the carboxyl group of one amino acid and the amino group of the other amino acid combine, releasing a molecule of water.
• The two amino acids connected via a peptide bond are called dipeptide.
• When 12-20 amino acids are joined, an oligopeptide is formed.
• When more than twenty amino acids are linked, a polypeptide is formed.
• One or more polypeptide combine together to form proteins.

Types of Proteins:
 

The following table depicts the different kinds of proteins: