A capsid is……..
a) the lipid/protein membrane surrounding a virus
b) the nucleic acid core of a virus
c) the enzymes associated with a bacteriophage
d) the proteins that surround a typical
virus
When a virus is in the lytic cycle, which of these will occur?
a) viral DNA becomes incorporated into the host DNA
b) host cell produces many new viruses before it breaks apart
c) the viral DNA replicates and is separated by the cell’s spindle apparatus
d) antiviral defenses of the cell expel the viral DNA
When a virus is in the lysogenic cycle, which of the these will occur?
a) viral DNA becomes incorporated into the host DNA
b) host cell produces many new viruses before it breaks apart
c) the viral DNA replicates and is separated by the cell’s spindle apparatus
d) antiviral defenses of the cell expel the viral DNA
When animal viruses are produced…….
a) the host cell lyses or ruptures
b) the new viruses bud off of the host cell membrane
c) the cell undergoes cytokinesis to produce a new virus and a new host cell
d) none of these occur
Which body system is most directly concerned with vaccination?
a) digestive
b) circulatory
c) respiratory
d) immune
What are the two major envelope proteins that surround the HIV virion?
a) gp 120 and gp 40
b) gp 120 and gp 41
c) gp 120 and gp 42
d) gp 120 and gp 43
