All Subjects
Light
Pepsin is an enzyme in the stomach that breaks down proteins into smaller peptides. It is activated from its precursor, pepsinogen, in the acidic environment of the stomach.
congrats on reading the definition of Pepsin. now let's actually learn it.
Gastric Juice: A mixture of hydrochloric acid, enzymes including pepsin, and mucus secreted by the stomach lining.
Chief Cells: Cells located in the stomach lining that release pepsinogen.
Hydrochloric Acid (HCl): A component of gastric juice that activates pepsinogen into pepsin and maintains a low pH in the stomach.