Virus
obligate intracellular parasite
What’s the benefit of class 4 viral genetic material?
~ positive ssRNA
~ same orientation as mRNA so can me made directly into protein
Sialic acid is also known as…
neuraminic acid
Name four receptors viruses use to enter cells.
~ Sialic acid
~ Acetylcholine receptor
~ CD4
~ HVEM
What are the six stages of viral multiplication?
~ attach ~ penetrate ~ uncoat ~ biosynthesise ~ assemble ~ release
Antigenic drift
accumulation of mutations within the genes that code for antibody-binding sites
~ between pandemics
Antigenic shift
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