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13 Cards in this Set
- Front
- Back
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polyhedral
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has capsid, nucleic acid, capsomere
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helical
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has capsid and nucleic acid
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binal
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has capsid
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A provirus
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is a DNA virus that has been inserted into a host cell chromosome.
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DNA viruses
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poxviridae
herpesviridae adenoviridae papovavirdae hepadnaviridae parvoviridae |
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RNA viruses
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paramyxoviridae (NS-)
rhabdoviridae (NS-) reoviridae (S,ds) orthomyxoviridae (S-) bunyaviridae (S-) filoviridae (NS-) |
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filoviridae (NS-)
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has double stranded RNA
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Viruses are host specific
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– a protein on the surface of the virus
has a shape that matches a molecule in the plasma membrane of its host, allowing the virus to lock onto the host cell. -Spiky proteins on virus helps to attach to t helper cells (CD4 positive- recepter on the t helper cells) |
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T helper cells-
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activates b cells, secrete cytokines (used in inflammation and infection)
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T cells
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-cure cancer- kill diseases
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B cells-
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screte antibodies (used in humoral imm- antibodies are present in blood)
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Chronic-
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lifetime- continuous for years
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Acute-
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sick for short time
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