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34 Cards in this Set
- Front
- Back
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virus
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small, obligate intracellular parasite
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viral genome
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contain double or single-stranded DNA or RNA
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capsid
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the protein coat of a virus particle
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the function of a capsid
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gives shape or symmetry to the virus
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capsomere
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the individual protein subunits that make up the capsid
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nucleocapsid
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the capsid with its inclosed genome
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peplomer
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the special capsid protein
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function of the peplomer
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help attach the virus to the host cell and facilitate penetration
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envelope
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the flexible membrane of lipids and protein around the nucleocapsid
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virion
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the infectious and completely assembled virus outside its host cell
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example of helical virus
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rabies and tobacco mosaic virus
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example of icosahedral virus
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herpes simplex virus and poliovirus
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example of complex virus
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bacteriophages and smallpox virus
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can there be DNA and RNA in a virus?
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no
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what does the T-4 virus infect?
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E.Coli
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what kind of genome does the t-4 virus contain
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double stranded DNA
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replication process
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All Pretty Birds Must Rest
Adsorption Penetration Biosynthesis Maturation Release |
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adsorption of the replication process
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the virus attaches to the host
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penetration
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the genome of the virus is injected into the cytoplasm
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biosynthesis
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the genome encodes proteins for synthesis of new viral parts; the cell's nucleic acid
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maturation
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assembly and packaging of virus particles
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release
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the virions are released into the environment
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virulent stage
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when it destroys the cell
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why do bacteriophages need tailpins
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to penetrate the peptidoglycan
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what is a virus's main concern when injected in
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first replicating DNA then assembling
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temperate phage
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a virus that coexists with the bacteria
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prophage
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the genome of a virus that integrates into the chromosome of the bacteria
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lysogen
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a bacteria contain a prophage
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lysogeny
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the process by which a lysogen resolves
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lytic pathway
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the virus replicates like crazy then kills the bacteria cell
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lysogenic pathway
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the viral DNA is integrated into the host DNA as temperate phage
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plaque
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an area where a virus destroys the bacteria cell
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what's the difference in the infection process of the eukaryotic virus and the bacteriophages
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bacteriophage
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eukaryotic virus
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a virus that enters a human/animal cell
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