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BIO NMDCAT Inhibitors
nmdcat.online July 13, 2026

3. Concerning non-competitive inhibition, the inhibitor primarily binds to

A. An allosteric site different from the active site
✓
B. The substrate molecule
C. The enzyme-substrate complex only
D. The catalytic amino acid permanently

📝 Explanation

Non-competitive inhibitors bind at an allosteric site, altering enzyme shape and reducing activity regardless of substrate concentration. Other options do not correctly describe this inhibition. Concept tested: Allosteric regulation.

📖 Additional Information

  • An allosteric site different from the active site
  • The substrate molecule
  • The enzyme-substrate complex only
  • The catalytic amino acid permanently

Non-competitive inhibitors bind at an allosteric site, altering enzyme shape and reducing activity regardless of substrate concentration. Other options do not correctly describe this inhibition. Concept tested: Allosteric regulation.

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