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25 Cards in this Set
- Front
- Back
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Capsid
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a virus's protein coat
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envelope
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surrounds the capsid of many viruses and helps them enter cells
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glycoproteins
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proteins with carbohydrate molecules attached
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bacteriophage
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a bacteria- infecting virus
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pathogen
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an agent that causes disease
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lytic cycle
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cycle of viral infection, replication, and cell destruction
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provirus
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a host cell chromosome with a viral gene inserted into it
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lysogenic cycle
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cycle in which the viral genome replicates without destroying the host cell
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bacillus
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rod- shaped bacterial cell
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coccus
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a round bacterial cell
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spirillum
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a spiral shaped bacterial cell
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antibiotic
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drug that interferes with the life processes in bacteria
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heterotrophic bacteria
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bacteria that feeds on organic material formed by other organisms
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Viruses
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segment of nucleic acids contained in a protein coat
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Viruses rely on _ for replication?
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living cells
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the capsid of viruses may enclose what 2 nucleic acids?
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DNA & RNA
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Infectious particles called____ are composed of proteins and have no nucleic acids
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Prions
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virus is the latin word for what?
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poison
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Who discovered tobacco mosaic virus?
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Stanley
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what are the shapes of viruses?
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polyhedral
helical- TMV noodle shape spherical- circle |
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what Contains RNA?
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retroviruses
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Causes cancer?
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retroviruses
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smallest particles able to replicate?
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Viroid
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Made of a short , single strand of RNA
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Viroid
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no nucleic, has capsid
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prions
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