Virology Exam 1 (Columbia - Racaniello) Questions With Correct Answers
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Course
Virology
Institution
Virology
Virology Exam 1 (Columbia - Racaniello)
Questions With Correct Answers
1. How many viruses do we carry at any given time? Why don't these make us sick? - answer-
most viruses just pass through us
- non-human viruses
- Viruses can be beneficial (thermotolerant fungi)
- Strong immune system!
H...
3. Presence or absence of lipid membrane (envelope)
4. Dimensions of virion and capsid
Virus growth curve - answer✔
Virus titer aka Viral load - answer✔numerical expression of the quantity of virus in a given
volume
higher viral burden, titre, or viral load often correlates with the severity of an active viral
infection
Why do we care about viruses? - answer✔1. Greatest biodiversity on Earthy --> enormous
genetic diversity and variation, can transfer to host cells via horizontal gene transfer
2. Drive Global Cycles - carbon, etc.
3. Beneficial
4. Sources of new pathogens - can always jump into people
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