Viruses Flashcards
1
Q
What do virus exist as outside of a cell
A
As an inanimate particle, a virion
2
Q
What are virions composed of
A
A small amount of DNA or RNA and a protein capsule called a capsid
3
Q
What are the two main types of viral infection
A
Lytic: production of virus particles ruptures and kills a cell
Non lytic / integrative: viral DNA is inserted in host DNA this is the provirus. The viral progeny buds at the cell surface, the cell can survive but with impaired function( hiv)
4
Q
What is a virus
A
Is a non cellular macromolecular packages that can function and reproduce only within living cells
