Question:
Which of the following is not a zymogen?
Which of the following is not a zymogen?
Show Hint
Zymogens:
- Pepsinogen $\rightarrow$ Pepsin.
- Trypsinogen $\rightarrow$ Trypsin.
- Procarboxypeptidase $\rightarrow$ Carboxypeptidase.
- Zymogens prevent self-digestion of cells.
- Pepsinogen $\rightarrow$ Pepsin.
- Trypsinogen $\rightarrow$ Trypsin.
- Procarboxypeptidase $\rightarrow$ Carboxypeptidase.
- Zymogens prevent self-digestion of cells.
Updated On: Aug 27, 2026
- Pepsinogen
- Trypsinogen
- Procarboxy peptidase
- Pyrrolidine
Show Solution
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of enzymes and their inactive precursors.
Step 2: Detailed Explanation:
Zymogens (proenzymes) are inactive precursors of enzymes.
Pepsinogen (A) is the inactive precursor of pepsin.
Trypsinogen (B) is the inactive precursor of trypsin.
Procarboxypeptidase (C) is the inactive precursor of carboxypeptidase.
Pyrrolidine (D) is a heterocyclic organic compound, not a zymogen.
Thus, pyrrolidine is not a zymogen.
Step 3: Final Answer:
Thus, pyrrolidine is not a zymogen, which corresponds to option (D).
[0.5cm]
This question tests knowledge of enzymes and their inactive precursors.
Step 2: Detailed Explanation:
Zymogens (proenzymes) are inactive precursors of enzymes.
Pepsinogen (A) is the inactive precursor of pepsin.
Trypsinogen (B) is the inactive precursor of trypsin.
Procarboxypeptidase (C) is the inactive precursor of carboxypeptidase.
Pyrrolidine (D) is a heterocyclic organic compound, not a zymogen.
Thus, pyrrolidine is not a zymogen.
Step 3: Final Answer:
Thus, pyrrolidine is not a zymogen, which corresponds to option (D).
[0.5cm]
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