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प्रश्न
Answer the following question.
Digestive action of pepsin comes to a stop when food reaches small intestine. Justify.
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उत्तर
Pepsin acts in acidic medium thus it is active in stomach. There is alkaline condition in the small intestine. pH of small intestine is very high for pepsin to work. Therefore, pepsin gets denatured in the small intestine.
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संबंधित प्रश्न
Write down the explanation.
Digestive enzymes are secreted at appropriate time in our body. How does it happen?
Find out pH maxima for salivary amylase, trypsin, nucleotidase and pepsin and place on the given pH scale.
Identify the enzyme 'x' present in intestinal juice.
\[\ce{Trypsinogen ->['x'][ alkaline medium]Trypsin}\]
Which is true for actvity of enzyme pepsin?
HCI reduces the pH of stomach resulting in digestion of proteins by ____________.
The digestion of ______ begins with the action of salivary amylase.
Which enzyme is/ are required to catalyze the following reaction?
Nucleic acids → Sugar + Base
Match the enzymes of Column-l with the functions of Column-II. Choose the correct option.
| Column-l | Column-II | ||
| i. | Enterokinase | a. | Absent in adults |
| ii. | Rennin | b. | Digests carbohydrates |
| iii. | Pancreatic Amylase | c. | Converts trypsinogen to trypsin |
| iv. | Lipase | d. | Hydrolyze fat molecules into fatty acids monoglycerides |
Which one is not associated with the secretion of saliva in the human being?
Where is Brunner’s gland present or located?
