18. Viruses, Viroids, & Prions

The projections on the surface of animal viruses primarily allow the virus to —

In animal virology, the host range (tropism) of a virus is primarily determined by which factor?

Which of the following is a key difference between the multiplication cycle of animal viruses and bacteriophages?

Viruses acquire envelopes around their nucleocapsids during which stage of the viral replication cycle?

Why must animal viruses enter host cells to replicate?