Question:
The enzymes that are involved in the formation and breakdown of steroid hormones include all of the following except:
The enzymes that are involved in the formation and breakdown of steroid hormones include all of the following except:
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Steroid synthesis enzymes:
CYPs, HSDs, reductases.
Peptidyl transferase: protein synthesis.
CYPs, HSDs, reductases.
Peptidyl transferase: protein synthesis.
Updated On: Aug 18, 2026
- Specific cytochrome P450 enzymes (CYPs)
- Hydroxysteroid dehydrogenases (HSDs)
- Steroid reductases
- Peptidyl transferase
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Steroid hormone synthesis involves specific enzymes.
These enzymes are different from protein synthesis enzymes.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the enzymes involved in steroid metabolism.
Step 3: Detailed Explanation:
Steroid hormone synthesis involves:
- Cytochrome P450 enzymes (CYPs)
- Hydroxysteroid dehydrogenases (HSDs)
- Steroid reductases
Peptidyl transferase is involved in protein synthesis.
It is not involved in steroid hormone formation.
Thus, peptidyl transferase is the exception.
Step 4: Final Answer:
Peptidyl transferase is NOT involved in steroid hormone formation.
Hence, the correct option is (D).
Steroid hormone synthesis involves specific enzymes.
These enzymes are different from protein synthesis enzymes.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the enzymes involved in steroid metabolism.
Step 3: Detailed Explanation:
Steroid hormone synthesis involves:
- Cytochrome P450 enzymes (CYPs)
- Hydroxysteroid dehydrogenases (HSDs)
- Steroid reductases
Peptidyl transferase is involved in protein synthesis.
It is not involved in steroid hormone formation.
Thus, peptidyl transferase is the exception.
Step 4: Final Answer:
Peptidyl transferase is NOT involved in steroid hormone formation.
Hence, the correct option is (D).
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