Multiple choice

Match the following:

 
a. Prosthetic groups 1. They form coordination bonds with side chains at the active site and also form one or more coordination bonds with the substrate.
b. Co-enzymes 2. They are organic compounds, but their association with the apoenzyme usually occurs during the course of catalysis.
c. Metal ions 3. They are organic compounds that are tightly bound to the apoenzyme.

  1. a - 3, b - 2, c - 1

  2. a - 3, b - 1, c - 2

  3. a - 1, b - 3, c - 2

  4. a - 2, b - 3, c - 1

  5. a - 1, b - 2, c - 3
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A Correct answer
Explanation

This is the correct option. Prosthetic groups are organic compounds that are tightly bound to the apoenzyme. Co-enzymes are organic compounds, but their association with the apoenzyme usually occurs during the course of catalysis. Metal ions form coordination bonds with side chains at the active site and also form one or more coordination bonds with the substrate.

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