Bacteria and Viruses
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how many chromosomes do bacteria have
1
what is when viruses mutate called
antigenic drift
what is when viruses combine called
antigenic shift
what type of DNA do bacteria have
circular
what is when bacteria share genes through the pilus called
conjugation
how do bacteria gain genetic variation
conjugation, transformation, mutation
are bacteria living or non-living
living
how do viruses evolve
mutation ( antigenic drift) and combing with other viruses (antigenic shift)
Can viruses reproduce on their own?
no
Do bacteria have a nucleus?
no
are viruses living or non-living
non-living
where is extra DNA in bacteria stored
the plasmid
what is when bacteria take up "naked" DNA called
transformation
Do bacteria have cell walls
yes
