18. Viruses, Viroids, & Prions

Which process is primarily responsible for the sudden emergence of new pandemic influenza virus strains?

Which of the following characteristics determine a virus's host range?

Which of the following contributes to the high level of variability in the influenza virus?

All of the following pertain to virus envelopes except they:

A virus's ability to infect an animal cell depends primarily upon the:

Which of the following statements correctly describes viruses?

Which of the following is a true statement about viruses?

If a virus attacks a cell, which of the following is most likely to occur first?

Based on a typical diagram showing HIV infecting a host cell, which conclusion is best supported?

Which viral replicative cycle involves integration of the viral genome into the host cell's genome?

Which of the following lists the correct order of viral life cycle phases, starting with the first at the top?

Which of the following statements is true about viruses?

Which of the following is the correct progression of a herpes simplex 2 infection?

Which of the following is a likely consequence of a viral disease that destroys the cells of the anterior gray horn of the spinal cord?

Which of the following best describes the action of retroviruses such as HIV?