Advertisements
Advertisements
प्रश्न
Describe protein digestion in the human.
Advertisements
उत्तर
Digestion of proteins in humans:
There is no digestion of protein in the oral cavity because protein digestive enzymes are absent in the saliva.
1. Digestion of protein in the stomach:
Gastric juice contains HCl and two proenzyme, pepsinogen and prorennin. HCI maintains a pH of 2 - 3.7 and kills bacteria and other pathogens. Gastric juice mixes with food until it becomes semi-solid mass called Chyme. Proenzymes become activated as below:
These enzymes act as follows:
2. Digestion of protein the small intestine
Action of pancreatic juice. It contains proenzymes trypsinogen, chymotry-psinogen and procarboxy peptidase.
Action of intestinal juice. Intestinal juice contains endokinase, aminopeptidase and dipeptidase. Actions of these enzymes are summarized below:
Peptides —Aminopentidase _. cm aller peptides + Amino acid
Peptides —Dipentidase_. amino acid
APPEARS IN
संबंधित प्रश्न
Water from the undigested food is absorbed mainly in the ______.
Mention two ways in which the ileum of the mammal is adapted for the absorption of digested food.
Define the following term:
Peristalsis
Name the following
The organ into which the pancreatic juice and the bile juice are poured
State whether the following statement is True or False.
Saliva changes starch into maltose.
Name the types of teeth seen in humans.
Write true or false for the below statement. Rewrite the false statements correctly
Pancreatic juice does not contain any enzyme.
Correct the spellings: Carboxytipepdase
Give a reason.
Food becomes acidic in the stomach.
Sketch and label a diagram of the digestive system and describe it in your own words.
Observe the diagram. This is the histological structure of the stomach. Identify and comment on the significance of the layer marked by an arrow.
State whether true or false. If false, correct the statement.
During digestion, proteins are broken down into amino acids.
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
A fluid containing the digestive enzyme ____________ is secreted by the serous cells of salivary gland.
Salivary glands secrete ______.
What are the compounds present in the food?
Draw the diagram of the alimentary canal of man and label the following parts. Mouth, Oesophagus, Stomach, Intestine.
Cud is the name given to the food of ruminants which is ______.
Choose the correct order of terms that describes the process of nutrition in ruminants.
Given below are two columns, Column I shows enzymes secreted by the glands in the alimentary canal of human beings and Column II indicates the components of food on which enzymes act. Choose the options showing correct matching:
