BIO NMDCAT Inhibitors

nmdcat.online July 13, 2026

Regarding the interaction between enzyme and inhibitor, competitive inhibition depends primarily upon

A. Structural similarity between inhibitor and substrate

✓

B. Structural similarity between enzyme and product

C. Similarity between enzyme and coenzyme

D. Similarity between inhibitor and ATP only

📝 Explanation

Competitive inhibitors closely resemble the substrate, allowing them to occupy the enzyme's active site. Similarity to products or coenzymes is not responsible for competitive inhibition. Concept tested: Structure-function relationship.

📖 Additional Information

Structural similarity between inhibitor and substrate
Structural similarity between enzyme and product
Similarity between enzyme and coenzyme
Similarity between inhibitor and ATP only

Competitive inhibitors closely resemble the substrate, allowing them to occupy the enzyme's active site. Similarity to products or coenzymes is not responsible for competitive inhibition. Concept tested: Structure-function relationship.

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