18. Viruses, Viroids, & Prions

There are two ways a virus can enter an animal cell. Which method is unique to enveloped viruses and why?

Which method of entry is used by non-enveloped or 'naked' viruses to enter animal cells?

All of the following are major differences between the entry of viruses into animal cells via membrane fusion and via endocytosis except which of these answers?

Once a virus has entered an animal cell, what step must occur before the viral DNA is replicated and new viruses are created within the host cell?

Describe four different ways that viral nucleic acid can enter a host cell.

If the envelope of a particular virus were unstable outside the host's body, which of the following statements would you expect to be true concerning this virus?

a. It would be a dsRNA virus.

b. It would be transmitted by intimate contact.

c. Touching a doorknob would easily transmit it.

d. That virus would eventually cease to be a threat to the population.