VIRUSES

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Author:
datgrl_honey
ID:
117435
Filename:
VIRUSES
Updated:
2011-12-05 18:33:39
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VIRUSES
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VIRUSES
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  1. viral genomes consist
    double or single stranded dna or double single stranded rna
  2. capsid
    protein shell that encloses the viral genome
  3. viral envelopes
    surround the capsids of influenza virusea and other viruses found in animals derived from host cells membrane contain a combination of viral and host cells
  4. baceriophages
    phages viruses that infect bacteria
  5. host range
    limited number of hots cells that it can infect
  6. lytic cycle
    phage reproductive cycle that culminated in the death of the host cells-digests the host cell wall
  7. virulent phage
    phage that reproduces only by lytic cycle
  8. restriction enzymes
    that recognize and cut up certain phage dna
  9. lysogenic cycle
    replicates the phage genome without destroying the hots
  10. prophage
    the integrated viral dna is know as prophage
  11. temperate phages
    uses both lytic and lysogenic cycles
  12. retroviruses
    use reverse transcriptase to copy their rna genome into dna
  13. provirus
    viral dna that integrated into the host genome
  14. viroids
    smaller less complex enteties
  15. prions
    cause disease in plants and animals
  16. plant viruses spread in 2 major modes
    • horizontal transmission
    • vertical transmission

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