Term
| list and describe the living characteristics of viruses |
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Definition
-use sophisticated methods to invade cells
-have the ability to take control of their host cell
-can reproduce
-can mutate |
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Term
| non-living characteristics of viruses |
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Definition
-cannot carry out any metabolic pathway on own
-neither grow nor respond to the environment
-cannot reproduce independently
-recruit the host's metabolic pathways
-no cytoplasmic membrane, cytosol, or organelles |
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Term
define:
capsid
capsomere
nucleocapsid |
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Definition
capsid-protein coat
capsomere-protein subunits
nucleocapsid-genome+capsid together |
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Term
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Definition
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Term
intracellular state
extracellular state |
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Definition
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Term
| different types of nucleic acids viruses have |
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Definition
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Term
| events in the lifecycle of animal virus |
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Definition
attachment
entry
uncoating (enveloped only)
synthesis
assembly
release |
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Term
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Definition
| do not become latent sudden onset symptoms, usually result in future immunity |
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Term
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Definition
| dormant for long periods then becomes active (ex. herpes) |
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Term
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Definition
| insert promoters in front of protooncogene and disrupt or eliminate the gene for the repressor |
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Term
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Definition
| point mutations in the RNA coding and change virus just enough to evade immune system |
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Term
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Definition
| larger change in genome, mixing of genetic info from two strains of virus that are infecting a host simultaneously |
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Term
| parts of influenza virus/classified |
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Definition
| hemagglutinin and neuraminidase |
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Term
| structure of a bacteriophage |
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Definition
| protein head, tail and tail fibers (alien insects) |
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Term
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Definition
cell destroyed
attachment
entry
bacterial chromosome degraded
synthesis
assembly
release |
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Term
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Definition
DNA incorporated
attachment
entry
prophage in chromosome
replication of chromosome and virus
induction
synthesis
assembly
release |
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Term
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Definition
| genes carried by the phage alter the phenotype of the bacterial cell in some way |
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Term
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Definition
| extremely small, circular pieces of RNA that are infectious and pathogenic in plants. similar to RNA viruses but lack capsids |
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Term
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Definition
| mis-folded proteins that can induce other proteins to change their shape to become prion proteins |
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Term
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Definition
spongiform encephalopathies
mad cow
scrapie
variant Creutzfeld-Jakob syndrome
chronic wasting disease |
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