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nmdcat.online July 11, 2026

A non-protein component that is firmly and permanently attached to an enzyme, such as a metal ion, is classified as a

A. Coenzyme
B. Prosthetic group
✓
C. Apoenzyme
D. Activator

📝 Explanation

A prosthetic group is a non-protein unit that is covalently or very tightly bound to an apoenzyme, making it a permanent part of the functional holoenzyme.

📖 Additional Information

  • Coenzyme
  • Prosthetic group
  • Apoenzyme
  • Activator

A prosthetic group is a non-protein unit that is covalently or very tightly bound to an apoenzyme, making it a permanent part of the functional holoenzyme.

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