Viruses
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Created by:
naomimilrod on May 23, 2010
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11 terms
Terms | Definitions |
|---|---|
 Retroviruses | virus that carries DNA, have RNA genomes and contain special enzymes that transcribe RNA to DNA within host |
| Reverse Transcriptase | a polymerase that catalyzes the formation of DNA using RNA as a template |
| Bacteriophages | viruses that attack bacteria, ingect it with DNA |
| Lytic | Host cell gets infected and dies very quickly |
| Lysogenic | Long term,may lie dormant |
| Attachment | virus connects with cell surface |
| Insertion | virus ingects genome (DNA or RNA) into host cell |
| Replication | viral genome is replicated, DNA of host cell is inactivated and viral DNA takes over making viral proteins and viral nucleic acid (virus can stay dormant or be assembled right away depending on lytic vs. lysogenic) |
| Burst | cell 'explodes' and newly formed virus particles are released, free to infect other cells |
| Integration | third step of lysogenic infection, viral DNA inserts iteslf into host cell's DNA |
| Virus | particle made up of nucleic acid, protein, and in some cases lipids that can replicate only by infecting living cells |
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