Which one of the following drugs inhibits the mRNA synthesis by suppressing the initiation step?
A. Rifampin
B. Pyrazinamide
C. Ethambutol
D. Isoniazid
Answer:A
Which one of the following drugs inhibits the mRNA synthesis by suppressing the initiation step?
A. Rifampin B. Pyrazinamide C. Ethambutol D. Isoniazid