Question

what is the role of following in digestion A -trypsin B-hclC-bileD-intestinal juice

Answer 1

a) trypsin which in turn activate the other enzymes in the pancreatic juice.
b)HCl provides the acidic pH (ph1.8) optimal for pepsins
c) bile help in emulsification of fat bile also activate lipases
d) intestinal juice contains a variety of enzymes & the mucous along with bicarbonate from the pancreas protect the intestinal mucosa from acid as well as provide an alkaline medium for enzymatic activities.

Answer 2

A] Trypsin is secreted by pancreas. The role of trypsin is to digest the protein.

B]   HCL   -   HCL or Hydrochloric acid is present in the walls of the stomach and it is one of the gastric juices which is secreted by gastric glands. The role of HCL is to destroy the harmful micro organisms present in the food that enters to the stomach. It also facilitates the action of pepsin which is also a gastric juice.

C)   Liver secretes bike juice and bile salt. They are present in duedinium      of liver. Fats are present in the small intestine in the form of large                    globules. Due to this it become difficult for the enzymes to act on it. The bile salt break this large globules into smaller globules to facilitate the action of enzymes. The role of bile juice is to provide an alkaline medium for the function of bile salt.

D)   The walls of small intestine contains glands which secreted intestinal juice.

The enzymes present in the intestinal juice finally convert :-

1)  Protein to amino acid

2)  Complex carbohydrates to glucose

3)  Fats to fatty acids or glycerol

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