GMS6121 Test Questions with Correct Answers
Consequences for stability in enveloped viruses - Answer-Can't survive in gastrointestinal tract
Must stay wet during transmission
Transmits in large droplets and secretions
Consequences for immune control in enveloped viruses - Answer-Don't need ...
GMS6121 Test Questions with
Correct Answers
Consequences for stability in enveloped viruses - Answer-Can't survive in
gastrointestinal tract
Must stay wet during transmission
Transmits in large droplets and secretions
Consequences for immune control in enveloped viruses - Answer-Don't need to kill
viruses to spread
require both humoral and cellular responses to kill off virus factories
General properties of capsids - Answer-symmetrical
simple ( multiple copies 1-3 proteins)
Icosahedral
Helical
Smallest to largest virus size - Answer-20 nm parvovirus
300nm pox virus
bacteria E.coli 6,00 nm
Icosahedral capsid assembly - Answer-60 proteins
3 protein complex
tri-protein complexes self-assemble into 20 faces.
5:3:2
Icosahedral size ranges - Answer-20nm to 500nm
Icosahedral - Answer-naked and enveloped
Helical capsid virus - Answer-Single protein with symmetrical helix around a single axis .
Helix creates protective sleeve around genome.
straight, rigid, or flexible.
Bacteriophage - Answer-Viruses that infect bacteria
hybrid
Icosahedral head that holds genome and helical tails.
Genome travels down helical tail to infect bacteria.
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