<prompt> Aspirin irreversibly inhibits the following enzyme in the formation of eicosanoids:LipoxygenaseCyclooxygenasePhospholipase-A2Peroxidase  <response>: Ans. B. CyclooxygenaseCyclooxygenase is required for the synthesis of prostaglandins by arachidonic acid. Aspirin, indomethacin, brufen, phenyl butazone and other NSAIDS inhibits COX Cyclooxygenase. Aspirin inhibits COX of both PGHS-1 and PGHS-2 by acetylation 