हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

How Does Pepsinogen Change into Its Active Form

Advertisements
Advertisements

प्रश्न

How does pepsinogen change into its active form?

Advertisements

उत्तर १

Pepsinogen is a precursor of pepsin stored in the stomach walls. It is converted into pepsin by hydrochloric acid. Pepsin is the activated in the form of pepsinogen.

Pepsinogen  Pepsin + Inactive peptide

(Inactive) (Active)

shaalaa.com

उत्तर २

The proenzyme pepsinogen, on exposure to hydrochloric acid, secreted by oxyntic cells of gastric glands gets converted into the active enzyme pepsin, the proteolytic enzyme of the stomach.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

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


Answer briefly:

How does bile help in the digestion of fats?


Describe the process of digestion of protein in stomach.


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.


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


Mark the right statement among the following


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?


Trypsinogen is an inactive enzyme of pancreatic juice. An enzyme, enterokinase, activates it. Which tissue/ cells secrete this enzyme?/ How is it activated?


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.


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?


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.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×