SEARCH Articles Figures Tables Metabolic role Metabolism roles Role of the TCA Cycle in Metabolic Reactions THE ROLE OF ATP IN METABOLISM The Central Role of ATP in Metabolism The Role of Calcitriol in Bone Metabolism The Role of Folate in Methionine Metabolism The Role of Liquid Chromatography-Mass Spectrometry in Pharmacokinetics and Drug Metabolism Venus — The Role of Copper in Iron Metabolism