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प्रश्न
Answer the following question.
Digestive action of pepsin comes to a stop when food reaches small intestine. Justify.
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?
Identify the correct contents of Gastric juice.
Identify the enzyme that initiates the process of digestion of proteins.
Which is true for actvity of enzyme pepsin?
Identify the CORRECT set of digestive enzyme and substrate.
Which of the following digestive juices contains enzymes for digestion of both starch and proteins?
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 |
Enterokinase plays a role in ______
Identity labels A and B in the following chemical reactions and selects the correct option given below.
| (i) | Pepsinogen (inactive enzyme) | \[\ce{->[A]}\] |
Pepsin (active enzyme) |
| (ii) | Proteins | \[\ce{->[B][acidic medium]}\] | Peptones + Proteoses |
Which one is not associated with the secretion of saliva in the human being?
