If an Antiretroviral Drug Is Designed to Inhibit an Enzyme

Multiple Choice

If an antiretroviral drug is designed to inhibit an enzyme required for the growth of the virus in an infected cell,which enzyme's inhibition is likely to be both effective and least toxic to the host cell?

A) RNA-dependent DNA polymerase
B) RNA-dependent RNA polymerase
C) DNA-dependent DNA polymerase
D) DNA dependent RNA polymerase
E) All would be equally effective and toxic