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What is Gastro-intestinal hormone in the following is and explain in detail?
Option 'A' Pepsin is a proteolytic enzyme in gastric juice. Option 'B' Ptyalin or amylase is an amylolytic (carbohydrate splitting) enzyme in saliva. Option 'D' Trypsin is a proteolytic enzyme in pancreatic juice.
Cholecystokinin-Pancreozymin is a gastro-intestinal hormone that has actions on both pancreas and gall bladder.