<prompt> Inhibition of which of the following enzyme is responsible for the anticancer action of 5-Fluorouracil ?Dihydrofolate reductaseThymidylate kinaseThymidylate reductaseThymidylate synthase  <response>: Drugs Inhibitor of 5-Fluorouracil thymidylate synthaseSuicidal inhibition Methotrexate Dihydrofolate reductase Acyclovir thymidylate kinase 