Prosthetic groups are:
Correct answer: E. A, B and C
- A. Metallic ions
- B. Organic molecules
- C. Inorganic molecules
- D. Radicals
- E. A, B and C
Explanation
Inorganic cofactors are activators while organic cofactors may be coenzymes or prosthetic groups. Some prosthetic groups are metallic ions but not all. All prosthetic groups are organic molecules in general. Prosthetic groups may be inorganic in nature. Prosthetic groups are not radicals.
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Enzymes are biological catalysts that lower activation energy without being consumed, and their specificity is explained by the lock and key and induced fit models. Work includes the effects of temperature, pH and substrate concentration on reaction rate, plus competitive and non-competitive inhibition and how these differ.
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