Chymotrypsinogen is a: (A) Zymogen, (B) Carboxypeptidase, (C) Transaminase, (D) Elastase
Answer is A. Ans. is 'a' i.e. Zymogen * Proteolytic digestive enzymes known as proteases have two main classes depending on specificity for the amino acids forming the peptide bond to be hydrolysed.