BIO NMDCAT Inhibitors

nmdcat.online July 13, 2026

5. Among the following statements, the effect of irreversible inhibitors is best described as

A. Permanent loss of enzyme activity

✓

B. Temporary occupation of the active site

C. Increased substrate affinity

D. Formation of additional enzyme molecules

📝 Explanation

Irreversible inhibitors form stable covalent or very strong bonds with enzymes, permanently inactivating them. Other options are inconsistent with irreversible inhibition. Concept tested: Irreversible inhibition.

📖 Additional Information

Permanent loss of enzyme activity
Temporary occupation of the active site
Increased substrate affinity
Formation of additional enzyme molecules

Irreversible inhibitors form stable covalent or very strong bonds with enzymes, permanently inactivating them. Other options are inconsistent with irreversible inhibition. Concept tested: Irreversible inhibition.

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