Differentiate between pepsin and trypsin
Pepsin is an enzyme that acts only in an acidic medium, trypsin is an enzyme that acts in an alkaline medium. pepsin is secreted by the gastric juice, and trypsin is secreted by the pancreatic juice. Pepsin is secreted in the stomach, trypsin is secreted in the small intestine. Pepsin is situated in gastric glands, trypsin is situated in the pancreas.