<prompt> all the following are non-competitive inhibitors except ?arsenatefluoroacetatearsenatedisulfuram  <response>: Enzyme Inhibitors Competitive inhibitors bind to the active site of an enzyme, competing with the substrate ex: arsenate ,oxamate,malonate, sulfonamide,methotrexate,ethanol,dicumurol Noncompetitive inhibitors bind to another pa of an enzyme, causing the enzyme to change shape and making the active site less effective Examples of inhibitors include toxins, poisons, pesticides, and antibiotics iodoactate,NaF, fluroacetate, arsenate,cyanide, disulfuram ref : vasudevan 9th ed 