Viro 3/E1

Card Set Information

Author:
HLW
ID:
98599
Filename:
Viro 3/E1
Updated:
2011-08-27 15:17:29
Tags:
Viro
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Description:
Viro 3/E1
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  1. Polyploidy is seen in which viruses?
    Paramyxoviruses
  2. Heteroployploidy is seen in which viruses?
    • Paramyxoviruses
    • Enveloped RNA Viruses
  3. Phenotypic Mixing is seen in which viruses?
    Enveloped viruses
  4. What type of mutation yields extreme genetic masking?
    Transcapsidation
  5. Viral Replication occurs where?
    • RNA: Cytoplasm
    • DNA: Nucleus
  6. What enzyme is responsible for NA replication/mRNA synthesis?
    _NA-Dependent _NA Polymerase
  7. Steps in viral replication
    • Attachment
    • Penetration
    • Uncoating
    • Synthesis of Viral Compnents
    • Assembly
    • Release
  8. Types of Penetration:
    • Translocation
    • Endocytosis
    • Fusion
    • Injection
  9. Early:
    Period before the start of viral nucleic acid replication.
  10. Late:
    • Period after the start of viral nucleic acid replication.
    • Early gene:
    • Viral genes that express before nucleic acid replication
  11. Early Genes encode for….
    … enzymes or factors that help in virus replication.
  12. Late gene:
    Viral genes that express after nucleic acid replication
  13. Late Genes encode for…
    …viral structural proteins and factors for virus assembly.
  14. Eclipse phase:
    Attachment, penetration and uncoating have taken place. Synthesis of viral components may have started, but viral assembly has not yet started.
  15. Maturation phase:
    Virus assembled.
  16. Released:
    Get out of the cell
  17. Inactivation:
    Loss of virus infectivity.

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