Term
| Describe the structure of a virus. |
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Definition
| All viruses possess a capsid- a protein coat that surround the viral DNA or RNA. This can be a sphere or an icosohedron or helical in structure. Some viruses are surrounded additionally by a lipid envelope. |
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Term
| How does the influenza virus attach to human cells? |
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Definition
| Using the hemagglutinin spike. |
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Term
| Which groups does the Baltimore classification separate viruses into? |
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Definition
1) Double stranded DNA
2) Single stranded DNA
3) Double stranded RNA
4) Single stranded RNA (positive sense)
5) Single stranded RNA (negative sense)
6) Single stranded RNA viruses which use reverse transcription during replication . |
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Term
| How are viruses classified into families? |
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Definition
| On the basis of nucleic acid sequence. |
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Term
| How are viruses classified within families? |
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Definition
| Based on serotypes and genotypes. |
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Term
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Definition
| Binds to CCR5 (an HIV cellular co-receptor). |
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Term
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Definition
| Inhibits the DNA polymerase of the herpes simplex virus. |
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Term
| How do zidovudine and efavirenz work? |
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Definition
| Inhibit the reverse transcriptase enzyme of HIV. |
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Term
| How does raltegravir work? |
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Definition
| Inhibits integration of HIV DNA into the host chromosome. |
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Term
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Definition
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Term
| How do influenzavirus neuraminidase inhibitors work? |
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Definition
| They prevent viral release from the cell. |
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