Enzymes are composed of one or several polypeptide chains. However, there are a number of cases in which non-protein constituents called co-factors are bound to the the enzyme to make the enzyme catalytically
Match the following types of cofactors in Column I with their characteristic features in Column II. COLUMN I (Cofactor Type) A. Prosthetic groups B. Co-enzymes C. Metal ions COLUMN II (Characteristic Feature) i. Organic compounds that associate transiently with the apoenzyme during catalysis, often derived from vitamins. ii. Non-protein constituents that form coordination bonds with enzyme's active site side chains and simultaneously with the substrate. iii. Organic compounds that are tightly bound to the apoenzyme, forming part of the active site.
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