<prompt> Biotin is a Co-enzyme for -TransketolaseDehydrogenaseOxidaseCarboxylase  <response>: Ans. is d i.e., Carboxylase VitaminActive form coenzymesReaction typeB1 ThiaminThiamine pyrophosphate TPPOxidative decarboxylation, TransketolationB2 RiboflavinFMN, FADOxidation Reduction Redox reactionB3 NiacinNAD, NADPOxidation Reduction Redox reactionB6 PyridoxinPyridoxal phosphate PLPTransamination, deamination, decarboxylation, condensation, trans-sulfurationB12 cobolaminMethylcobalamin. deoxyadenosy Icoba lam inIsomerization of meihylmelonyl-CoA to succinyl-CoA, synthesis of methionine from homocysteineFolic acidTetrahydrofolate THFOne carbon group transferBiotinBiocytinCarboxylationPantothenic acidPentothenate in Co A and ACPAcyl group transferVitamin KVitamin KCarboxylation of glutamic acid residue 