Viruses Flashcards
1
Q
Virus
A
obligate intracellular parasite
2
Q
What’s the benefit of class 4 viral genetic material?
A
~ positive ssRNA
~ same orientation as mRNA so can me made directly into protein
3
Q
Sialic acid is also known as…
A
neuraminic acid
4
Q
Name four receptors viruses use to enter cells.
A
~ Sialic acid
~ Acetylcholine receptor
~ CD4
~ HVEM
5
Q
What are the six stages of viral multiplication?
A
~ attach ~ penetrate ~ uncoat ~ biosynthesise ~ assemble ~ release
6
Q
Antigenic drift
A
accumulation of mutations within the genes that code for antibody-binding sites
~ between pandemics
7
Q
Antigenic shift
A
process by which 2+ viral strains combine to form a new subtype having a mixture of the surface antigens of the two or more original strains
~ launch new pandemics
