Ciprofloxacin, erythromycin and acyclovir are used to treat microbial infections. Ciprofloxacin inhibits DNA gyrase. Erythromycin binds in front of the A site on the 50S subunit of ribosome. Acyclovir is guanine analog.
a. What steps in protein synthesis are inhibited by each drug?
b. Which drug is more effective against bacteria? Why?
c. Which drug is more effective against viruses? Why?
d. Which drug is more effective on the host’s cells? Why?