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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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प्रश्न

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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उत्तर

The intestinal wall secretes trypsinogen. It is activated into trypsin by enterokinase.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 16: Digestion and Absorption - Exercises [पृष्ठ ९३]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
अध्याय 16 Digestion and Absorption
Exercises | Q 2. | पृष्ठ ९३

संबंधित प्रश्न

Choose the correct answer among the following:

Gastric juice contains

 (i) pepsin, lipase and rennin

 (ii) trypsin lipase and rennin

 (iii) trypsin, pepsin and lipase

 (iv) trypsin, pepsin and renin


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

How does pepsinogen change into its active form?


Answer briefly:

How does bile help in the digestion of fats?


Describe the process of digestion of protein in stomach.


Describe the digestive role of chymotrypsin. What two other digestive enzymes of the same category are secreted by its source gland?


How does butter in your food gets digested and absorbed in the body?


Name different types of teeth and their number in an adult human.


Emulsification of fats is brought about by ______.


Mark the right statement among the following


Define digestion in one sentence.


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 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)


A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.


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