NAME IT This virus family, normally associated with AIDS, may be useful for gene therapy.

An accidental needle stick occurs during routine treatment of an HIV-positive patient who arrives at your clinic. Immediate administration of _______________ can block viral entry.

a. enfuvirtide

b. vapendavir

c. AZT

d. amantadine

When packaged in the virus, the complex of nucleic acid and protein is known as the:

Which component of a virus allows the virus to bind to and enter the host cell?

The SARS-CoV-2 virus (Covid-19) is an enveloped, icosahedral virus. What characteristics does the SARS-CoV-2 virus have?
a) The SARS-CoV-2 virus is round in shape with an outer lipid bilayer.
b) The SARS-CoV-2 virus is a complex-shaped virus with an outer lipid bilayer.
c) The SARS-CoV-2 virus is helical in shape and is considered a 'naked' virus.
d) The SARS-CoV-2 virus is round in shape and is considered a 'naked' virus.

Why do we classify viruses as obligatory intracellular parasites?

List the four properties that define a virus. What is a virion?

Recall from Chapter 1 that Koch's postulates are used to determine the etiology of a

disease. Why is it difficult to determine the etiology of

a. a viral infection, such as influenza?

b. cancer?

Which of the following statements is false?

a. Viruses contain DNA or RNA.

b. The nucleic acid of a virus is surrounded by a protein coat.

c. Viruses multiply inside living cells using viral mRNA, tRNA, and ribosomes.

d. Viruses cause the synthesis of specialized infectious elements.

e. Viruses multiply inside living cells.