Biochemistry Principle function of cyanocobalamine is A Post translational carboxylation of protein B Acts as coenzymes for methionine synthase and L methyl melonyl CoA synthase C A coenzyme for one carbone transfer in nucleic acid metabolism D A cofactor for decarboxylase of ketoacid π‘ Explanation Principle function of cyanocobalamine is β Correct Answer: C. A coenzyme for one carbone transfer in nucleic acid metabolism