Like pepsin, trypsin is also secreted as inactive trypsinogen, which is activated by:
Correct answer: A. Enterokinase
- A. Enterokinase
- B. Chyme
- C. Lipase
- D. Erypsin
Explanation
Explanation:Like Pepsin, trypsin is also secreted as inactive trypsinogen, which is activated by enterokinase. This option is not correct because chyme is the semi-liquid, partially digested food that enters the duodenum after the stomach. This option is also incorrect because lipase digests fats to fatty acids and glycerol. This option is also incorrect. Erypsin digests peptone to amino acids.
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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