SEARCH Articles Figures Tables Animal Species Used as Sources of Metabolic Activating Enzymes Animal drug-metabolizing enzyme activities Cytochrome P450 enzymes metabolic activation Drug-metabolizing enzyme activities Enzymes activity association with carbon metabolism Enzymes activity metabolic pathways regulation Enzymic activity metabolism Enzymic activity metabolism Liver drug-metabolizing enzyme activities Metabolic activating enzymes, animal species Metabolic activation Metabolic engineering enzyme activity Metabolic enzymes Metabolism activation Metabolism active Metabolism enzymes Metabolism) enzyme activities Metabolism/metabolic activity Metabolizing enzymes Pyruvate kinase, enzymic activity liver metabolism