BIO NMDCAT Inhibitors

nmdcat.online July 13, 2026

Concerning metabolic pathways, the end product commonly inhibits

A. The first enzyme of the pathway

✓

B. The last enzyme of the pathway

C. Every enzyme equally

D. Only enzymes outside the pathway

📝 Explanation

In feedback inhibition, the final product usually inhibits the first committed enzyme, preventing unnecessary synthesis of additional product. Concept tested: Mechanism of feedback inhibition.

📖 Additional Information

The first enzyme of the pathway
The last enzyme of the pathway
Every enzyme equally
Only enzymes outside the pathway

In feedback inhibition, the final product usually inhibits the first committed enzyme, preventing unnecessary synthesis of additional product. Concept tested: Mechanism of feedback inhibition.

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