lecture 1: intro Flashcards
1
Q
What was the main distinction between viruses and bacteria?
A
viruses are filterable
2
Q
What are the definition characteristics of a virus(4)?
A
- obligate intracellular organisms
2.genome is either RNA or DNA - protein capsid made of nucleic acids
- require host cell protein synthesis
3
Q
How do viruses evolve if they’re not living?
A
through mutation, evolve to increase life expectancy and efficacy
4
Q
what is a transient virus?
A
virus that does not cause disease
5
Q
What is a persistent virus?
A
viruses that never leave, example: HIV
6
Q
what happens if viruses enter the germ line?
A
offspring genome has virus and viruses build up
7
Q
How did we discover that viruses were filterable?
A
via chamberlain filter