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23 Cards in this Set
- Front
- Back
a strand of nucleic acid encased in a protein coat that can infect cells and replicate within them
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virus
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a protein sheath that surrounds the nucleic acid core in a virus
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capsid
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outer layer covering the capsid of many kinds of viruses
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envelope
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protein with carbohydrate molecules attached
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glycoprotein
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virus that infects bacteria
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bacteriophage
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a disease-causing agent
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pathogen
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cycle of viral infection; results in replication of virus and cell destruction
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lytic cycle
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the viral DNA which inserts into a host cells chromosome
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provirus
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cycle in which a viral genome replicates as a provirus without destroying the host cell
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lysogenic cycle
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a virus that evolves in a geographically isolated area and is pathogenic to humans
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emerging virus
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particles composed of protein with no nucleic acid
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prion
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in plants, infectious disease agent composed of a single strand of RNA with no capsid
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viroid
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short, which outgrowth of a bacterium that allows it to attach to another bacterium
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pilus
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rod-shaped bacterium
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bacillus
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spherical-shaped bacterium
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coccus
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spiral-shaped bacterium
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spirillium
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a protein sheath that surrounds the nucleic acid core in a virus
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capsule
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chemical used as a drug to kill bacteria
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antibiotic
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dormant bacterial cell enclosed by a tough coating that is highly resistant to environmental stress
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endospore
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temporary union of two organisms to exchange nuclear material
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conjugation
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term for processes that do not require oxygen
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anaerobic
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term for processes that require oxygen
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aerobic
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chemical compound excreted into the environment by bacteria that are poisonous to eukaryotic cells
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toxin
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