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Question
Trypsinogen is an inactive enzyme of pancreatic juice. An enzyme, enterokinase, activates it. Which tissue/ cells secrete this enzyme?/ How is it activated?
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Solution
The intestinal wall secretes trypsinogen. It is activated into trypsin by enterokinase.
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RELATED QUESTIONS
Match column I with column II
| Column I | Column II | ||
| a | Bilirubin and biliverdin | 1 | Parotid |
| b | Hydrolysis of starch | 2 | Bile |
| c | Digestion of fat | 3 | Lipases |
| d | Salivary gland | 4 | Amylases |
Answer briefly:
How does bile help in the digestion of fats?
Describe the process of digestion of protein in stomach.
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
How are polysaccharides and disaccharides digested?
What would happen if HCl were not secreted in the stomach?
Name different types of teeth and their number in an adult human.
Which of the following sphincter controls the passage of food into the stomach?
Emulsification of fats is brought about by ______.
Mark the right statement among the following
Correct the following statement by deleting one of entries (given in bold).
Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.
Correct the following statement by deleting one of entries (given in bold).
Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.
Correct the following statement by deleting one of entries (given in bold).
Saliva contains enzymes that digest starch/protein.
Name the part of the alimentary canal where major absorption of digested food takes place. What are the absorbed forms of different kinds of food materials?
Correct the statement given below by the right option shown in the bracket against them.
Pancreatic juice and bile are released through. (intestine- pancreatic/hepato-pancreatic duct)
Correct the statement given below by the right option shown in the bracket against them.
Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestine. (jejunum/duodenum)
How is the intestinal mucosa protected from the acidic food entering from stomach?
How are the activities of gastro-intestinal tract regulated?
Describe the enzymatic action on fats in the duodenum.
