Overview / Hemat Questions / Question 10
Question 10
Which of the following would you be MOST likely to see following 6-mercaptopurine administration? Answer
A. feedback inhibition of xanthine oxidase
B. competitive inhibition of dihydrofolate reductase (DHFR)
C. increase in GDP and GTP concentrations
D. inhibition of the rate limiting step in DNA synthesis
E. feedback inhibition of purine nucleoside phosphorylase (PNP)