Chymotrypsin catalyzes proteolysis or the hydrolytic breakdown of proteins. It can cleave peptide bonds at a rate of 100 molecules per second. Which components of this description correspond to the terms enzyme, substrate, and turnover number?

• A. Enzyme: Chymotrypsin
  Substrate: Proteins
  Turnover number: 100 molecules per second
• B. Enzyme: Proteolysis
  Substrate: Peptide bonds
  Turnover number: 100 molecules per second

Answer: (A)