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nmdcat.online July 11, 2026

In a metabolic pathway, the product of an earlier reaction acts as a competitive inhibitor for an enzyme that catalyzes a later step. This regulatory mechanism is an example of

A. Covalent modification
B. Feedback inhibition
✓
C. Zymogen activation
D. Allosteric activation

📝 Explanation

Feedback inhibition is a regulatory mechanism where the end product of a pathway inhibits an enzyme acting earlier, preventing overproduction.

📖 Additional Information

  • Covalent modification
  • Feedback inhibition
  • Zymogen activation
  • Allosteric activation

Feedback inhibition is a regulatory mechanism where the end product of a pathway inhibits an enzyme acting earlier, preventing overproduction.

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