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Viruses with two types of symmetry, U. icosahedral head and helical tail are called

A. picornaviruses

B. binal viruses

C. riboviruses

D. none of these

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  1. An antiviral substance produced by many vertebrates in response to viral In. fection for resisting the…
  2. Which of the following phenomenon is absent in virus ?
  3. Genetic modification brought about by a virus in a bmleria is known as
  4. The exception to the cell theory of Schleiden and Schwann are
  5. Viruses are believed to be
  6. Which of the following is an example of DNA containing plant virus ?
  7. Virus which attacks E.coli is called
  8. RNA particles causing symptoms like those of viral diseases is known as
  9. Virus is a.............................. stage between living and non-living.
  10. An extreme example of latency in which the DNA of the phage is integrated with the DNA of host cell…
  11. Coliphage mX 174 contains:
  12. Viruses are defined as
  13. A clear /.one lot uwhI in bacterial < olon due to viral action is railed
  14. Transduction was discovered by
  15. Dahlia mosaic virus contains
  16. Viruses were discovered by
  17. Viruses with two types of symmetry, U. icosahedral head and helical tail are called
  18. The term 'Virus' has been derived from a Latin word meaning
  19. The virus DNA which is incorporated into bacterial DNA is termed as
  20. Virus was crystallized and isolated first by
  21. Which of the following is devoid of protein coat, with a constitution of RNA only ?
  22. Influenza virus contains
  23. Viral DNA incorporated in host DNA is known as
  24. One of the following discovered synthesis of DNA from RNA in Roux Sarcoma Virus
  25. Most of the antibiotics have no effect on viruses as
  26. Which of the following is a Capsid ?
  27. Viruses differ from living organisms in that, they
  28. Roux Sarcoma virus contains
  29. The disease in man caused by viruses is
  30. A stage in the replication of virus, when the cell wall of host is ruptured is known as