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ap bio
ch 23 viruses and bacteria
13
Biology
11th Grade
02/26/2008

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Term
the protein coat of a virus contains a
Definition
nucleic acid
Term

capsid

Definition
where the dna of virus is held
Term
lytic cycle
Definition

new viruses infect other cells, spread virus

Term
lysogenic
Definition
temperate viruses able to protect their DNA by incorporating it within the genome of the host
Term
retroviruses
Definition

transcribe DNA from an RNA template

Term
Viroids
Definition
tiny, naked circular RNA that infect plants, do not code for proteins, but use cellular enzymes to reproduce
Term
prions
Definition
trigger chain reaction conversions
Term
transformation
Definition
bacteria take up DNA from environment
Term

transduction

Definition
genes are transferred through phage
Term
conjugation
Definition
two cells of opposite mating type come together
Term
endospores
Definition
stable, dormant cells
Term
exotoxins
Definition
bacterial proteins that can produce disease w/o the prokaryote present
Term
endotoxins
Definition
components of gram membranes
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