| 1. | This is the single largest group of RNA viruses with 30 families.
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| 2. | Currently there are 5 orders and 47 families of RNA viruses recognised.
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| 3. | Classification of the RNA viruses has proven to be a difficult problem.
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| 4. | The virus is a member of the Bunyaviridae family of RNA viruses.
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| 5. | The virus has a fairly high mutation rate even for an RNA virus.
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| 6. | Negative stranded RNA virus transcription, using polymerase stuttering is the method of transcription.
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| 7. | Some nucleic acids of RNA viruses function directly as mRNA without further modification.
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| 8. | The Orsay virus is an RNA virus that is closely related to nodaviruses.
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| 9. | Another term for RNA viruses that explicitly excludes retroviruses is "'ribovirus " '.
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| 10. | DENV is a single-stranded positive-polarity RNA virus of the Flaviviridae family.
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