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Anatomy Other topics and Adverse effects 275bc554

The mechanism of anti cancer action of fluoruracil is

A
Cross linking of double standard DNA and the resulting inhibition of DNA replication and transcription
B
Cytotoxicity resulting from metabolite that interferes with the production of dTMP
C
Irreversible inhibition of dihydrofolic acid reductase
D
Selective action of DNA polymerase
High-Yield Explanation
5-FU is an antimetabolite.it us a thymidine analogue and acts by conversion to 5'-dUMP .latter inhibits the formation of dTMP and result in Thymineless dealth of cells Ref-KDT 6/824

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