Viruses, Viroids and Prions Part 2: Animal Viruses, Prions and Viroids

A viroid is

This term describes the confluent growth of bacteria on the surface of a culture plate which enables a researcher to determine if viruses are present.

This theory states that some viruses can trigger the development of cancer by allowing repressed cancer-related genes to become active.

Which of these viruses becomes latent by residing in the basal ganglia of the host, where they do not normally replicate?

Retroviral DNA can incorporate itself with host cell chromosomes and become dormant. This dormant viral DNA is called a(n)

After penetration and uncoating, (-) viral RNA must first be used to replicate

As a general rule, RNA viruses replicate in the __________, while DNA viruses replicate in the __________ of the host cell.

A (+) strand of viral RNA

What do Retroviruses and some Hepatitis viruses have in common?

Which of the following mechanisms do animal viruses use to enter a host cell?
a. fusion of the viral envelope with the cell membrane
b. uncoating (leaving the capsid outside the host cell)
c. fusion of the envelope with the membrane of a phagocytic vesicle