BIO NMDCAT Inhibitors

nmdcat.online July 13, 2026

During laboratory analysis, an enzyme exhibits reduced activity after treatment with cyanide. The most appropriate explanation is

A. Cyanide inhibits an essential enzyme involved in cellular metabolism

✓

B. Cyanide increases substrate concentration

C. Cyanide acts as a coenzyme

D. Cyanide accelerates enzyme synthesis

📝 Explanation

Cyanide is a potent enzyme inhibitor that blocks critical enzymes involved in cellular respiration, leading to severe impairment of ATP production. The other options are incorrect. Concept tested: Medical and biochemical significance of enzyme inhibition.**

📖 Additional Information

Cyanide inhibits an essential enzyme involved in cellular metabolism
Cyanide increases substrate concentration
Cyanide acts as a coenzyme
Cyanide accelerates enzyme synthesis

Cyanide is a potent enzyme inhibitor that blocks critical enzymes involved in cellular respiration, leading to severe impairment of ATP production. The other options are incorrect. Concept tested: Medical and biochemical significance of enzyme inhibition.**

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