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Biochemistry Nucleotides 6c58ac8e

Deficiency of which of the following enzyme leads to toxicity of 5-fluorouracil?

A
Purine nucleoside phosphorylase
B
Dihydropyrimidine dehydrogenase
C
PRPP synthase
D
Adenosine deaminase
High-Yield Explanation
5-fluorouracil is acted upon by dihydropyrimidine dehydrogenase - Deficiency - accumulation of 5-FU - toxicity.

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