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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? - Biology

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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 [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


Choose the correct answer among the following:

Succus entericus is the name given to

(i) a junction between ileum and large intestine

(ii) intestinal juice

(iii) swelling in the gut

(iv) appendix


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?


Bile juice contains no digestive enzymes, yet it is important for digestion. Why?


How are polysaccharides and disaccharides digested?


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


Which of the following sphincter controls the passage of food into the stomach?


Emulsification of fats is brought about by ______.


The food mixes thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall. What do we call the food then?


Name the enzymes involved in the breakdown of nucleotides into sugars and bases?


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.

Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestine. (jejunum/duodenum)


How are the activities of gastro-intestinal tract regulated?


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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