<prompt> Which of the following enzymes does not use copper?Prolyl hydroxylaseTyrosinaseCeruloplasminSuperoxide dismutase  <response>: Ans. is a i.e., Prolyl hydroxylaseMetalMetalloenzymesCa2Lipase, LecithinaseCopper Cu2 CuCytochrome oxidase, Tyrosinase, Lysyl oxidase, Superoxide dismutase, Ascorbic acid oxidase, Ferroxidase ceruloplasmin.Iron Fe2Fe3Cytochrome oxidase, Xanthine oxidase, Catalase, PeroxidaseZinc Zn2Carbonic anhydrase, alkaline phosphatase, RNA polymerase, alcohol dehydrogenase,Carboxypeptidase, Prophobilinogen synthase, glutamate dehydrogenase, lactate dehydrogenase, Superoxide dismutase.Magnesium Mg2Hexokinase, phosphofructokinase, glucose-6-phoshphatase, enolase, creatinine kinase,Phosphatases, Kinase, creatine kinase, adenylate cyclase, glutamine synthase, thiokinase, squalene synthase, glutathione synthaseMaganese Mn2Arginase, Pyruvate carboxylase, phosphoglucomutase, Glycosyl transferase, Hexokinase, Enolase.Potasium KPyruvate kinaseSeleniumGlutathione peroxidaseNickle Ni2UreaseMolybdenumXanthine oxidase, sulfite oxidaseNote: - Some metalloenzymes contain more than one metal e.g., cytochrome oxidase contains both iron and copper. 