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| 1 |
protein coat surrounding the nucleic acid-may contain outside lipid envelope
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capsid
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capsid + nucleic acid =
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nucleocapsid
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an individual virus-most simple is nucleocapsid
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virion
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viruses can be two shapes?
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helical polyhedral
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virus shape:-"barrel" structure-ex: ebola virus, long cylindrical
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Helical
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virus shape:-hexagonal shaped-ex: mastadenovirus
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Polyhedral
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Viruses lack enzymes for ____ and ___. this is why they must use a host.
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Protein synthesis and ATP generation
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____ must target own cells; the virus is using the host cell to reproduce
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antiviral drugs
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Classification of Viruses based on many things:
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1) type of host (certain organism)- type of disease it causes2) nucleic acid type (DNA or RNA)3)...
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International Committee on Taxonomy of Viruses (ICTV) is based on 3 characteristics:
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1) mechanism of penetration2) strategy for and location of replication3) mode of transmission
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| 11 |
bacteriophages and phages are characterized as..
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Bacterial Viruses
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Bacterial Viruses have 2 lifestyles:
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LyticLysogenic
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A bactterial virus lifestyle that is "virulent" (infectious or bad)
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Lytic
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A bacterial virus lifestyle that is "temperate" (static)
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Lysogenic
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Lytic Lifestyle Processes (5)
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1) Attachment- adhesion to target site; usually target certain bacteria2) Entry- injects it...
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