Nucleic Acid Biochemistry — Flashcards

Xanthine is converted to _____ by xanthine oxidase

Inosine is converted to _____ via the enzyme purine nucleoside phosphorylase (purine salvage)

The _____ is the site where RNA polymerase II and general transcription factors bind to DNA upstream from a gene locus

Which base excision repair enzymes are responsible for filling and sealing the gap from the excised bases?_____ (filling) and DNA ligase III (sealing)

Hint: specific

Guanosine is converted to _____ via the enzyme purine nucleoside phosphorylase (purine salvage)

Hypoxanthine is converted to _____ via xanthine oxidase

The enzymes that repair pyrimidine dimer mutations are _____ and DNA ligase

Conversion of dUMP to dTMP via Thymidylate synthase converts the cofactor _____ to DHF

In the first step of pyrimidine synthesis, glutamine and CO2 are combined to form _____ via the enzyme carbamoyl phosphate synthetase II (requires 2 ATP)

Ribose-5-phosphate is converted to _____ via the enzyme PRPP synthetase