Digestive enzymes operating within the gastrointestinal tract may be contributed by each of the following EXCEPT

Question

Quizplus · Accepted Answer

While the liver plays an important role in the digestion and metabolism of nutrients, it does not directly synthesize digestive enzymes that operate within the gastrointestinal tract. Enzymes produced by the liver are typically involved in metabolism or detoxification, rather than digestion. Enzymes involved in digestion are synthesized by the gastric mucosa, pancreas, intestinal mucosa, and bacterial flora within the gut.

Digestive Enzymes Operating Within the Gastrointestinal Tract May Be Contributed