BIO NMDCAT Inhibitors

nmdcat.online July 13, 2026

2. During enzyme-catalyzed reactions, an increase in substrate concentration can reverse inhibition produced by

A. Competitive inhibitors

✓

B. Non-competitive inhibitors

C. Irreversible inhibitors

D. Heavy metal poisoning

📝 Explanation

Competitive inhibition is reversible because substrate molecules can outcompete the inhibitor at high concentrations. Non-competitive and irreversible inhibitors cannot be overcome this way. Concept tested: Effect of substrate concentration on inhibition.

📖 Additional Information

Competitive inhibitors
Non-competitive inhibitors
Irreversible inhibitors
Heavy metal poisoning

Competitive inhibition is reversible because substrate molecules can outcompete the inhibitor at high concentrations. Non-competitive and irreversible inhibitors cannot be overcome this way. Concept tested: Effect of substrate concentration on inhibition.

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