#january2020usmle2k
Which of the following medications inhibits folic acid synthesis through its effect on dihydropteroate synthetase enzyme?
A- Methotrexate
B- Pyrimethamine
C- Sulfonamides
D- Trimethoprim
Which of the following medications inhibits folic acid synthesis through its effect on dihydropteroate synthetase enzyme?
A- Methotrexate
B- Pyrimethamine
C- Sulfonamides
D- Trimethoprim