Question

Trypsinogen is converted to trypsin by

• A. Amylase
• B. Enterokinase
• C. Ligase
• D. Sucrase

Answer 1

Answer:

B. Enterokinase

Trypsinogen is converted to trypsin by the enzyme enterokinase and by the action of the trypsin that is formed: Enterokinase This enzyme is secreted by the cells of the small intestine's mucus membrane. It cleaves a hexapeptide from trypsinogen, which initiates a series of proteolytic reactions that activate many pancreatic zymogens. Trypsin The trypsin that is formed autocatalytically converts more trypsinogen to trypsin.