Viruses Flashcards
1
Q
when was viruses discovered
A
1800-1900 with invisible plant and human pathogens
2
Q
Walter reed and dimitri ivanowsky
A
took samples and tried to cultivate bacteria
3
Q
Walter reed and dimitri looked at what viruses
A
yellow fever/tobacco mosaic virus
4
Q
what is the size of a virus
A
very small
5
Q
example of obligate intracellular particles
A
virus
6
Q
an obligate intracellular particle means
A
they have to replicate inside of a cell, must use host cell ribosomes to produce more virus, don’t have their own nucleotides
7
Q
A virus must contain
A
DNA or RNA in the capsid
8
Q
Virus envelopes
A
either naked or have.
9
Q
Virus envelopes are made of
A
bacterial cell membrane
