Chapter 23: Virus taxonomy Flashcards
What at the DNA viruses?
Herpes Hepadna Adeno Papova Parvo Pox
What are the RNA viruses?
Toga Corona Retro Picorna Calici Reo Flavi Orthomyxo Paramyxo Rhadbo Bunya Arena Filo
What are the DS viruses
Herpes
Hepadna
Pox
Reo
What are the positive stranded RNA viruses?
Picorna Calici Toga Flavi Corona Retro
What are the negative stranded RNA viruses?
Bunya Orthomyxo Paramyxo Rhabdo Arena Filo
Where do most DNA viruses perform transcription and translation?
In the host cell nucleus
Where do most RNA viruses perform transcription, translation, and replication?
In the host cytoplasm
What are the three parts of DNA viral transcription?
Immediate early
early and late
Immediate early and early produce products that aid in further transcription and replication of gene products
Late occurs after replication has started and leads to the production of the proteins of the viral capsid
What is the difference between positive and negative RNA strands in virus gene production?
Positive act as mRNA and begin translation immediately.
Negative act as templates and produce a corresponding positive strand before translation.
What sets Retro viruses replication apart from other RNA viruses?
The strands of RNA work as a backbone that uses reverse transcriptase to produce a strand of DNA to insert into the hosts genome.
What enzyme is needed by negative RNA for replication?
virion RNA polyermase
