1.What is the role of following in digestion?
a)Trypsin, b) HCL C)Bile D ) Intestinal Juice
Answers
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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Answer:
The role of the following in digestion is: -
a) Trypsin: - digests proteins
b) HCl: - makes medium of stomach acidic so that digestive juices can act on food, kills harmful bacteria in food.
c)Bile juice : - Digestion of fats.
d) Intestinal juice: - contains enzymes that help in complete digestion and absorption of food.
Explanation:
a) Trypsin: - Trypsin is an enzyme that aids in the breakdown of protein. Trypsin continues the digesting process that started in the stomach by breaking down proteins in the small intestine. A proteolytic enzyme or proteinase is another name for it.
Trypsinogen, an inactive version of trypsin, is created by the pancreas. The common bile duct allows the trypsinogen to enter the small intestine where it is changed into active trypsin.
b) HCl: - ( Hydrochloric acid) The HCl in gastric juice dissolves food fragments and produces an acidic environment in our stomachs. In this acidic environment, pepsinogen is transformed to pepsin. The protein-digesting enzyme pepsinogen. Additionally, it eliminates germs and other microbes that are ingested with food in our stomachs.
c) Bile juice: - Fats are broken down into tiny particles by bile juice, which emulsifies them.
Fat-soluble vitamins are more easily absorbed when bile juice is present.
Bilirubin, a waste product created during the breakdown of red blood cells, is also excreted through the bile.
d) Intestinal juice: - Digestive enzymes in intestinal juice help in food digestion and absorption while also neutralising hydrochloric acid from the stomach and releasing gastrointestinal hormones into the bloodstream. Hormones, the vagus nerve, and mechanical stimulation brought on by the presence of food all influence the secretion of intestinal juice.