Microbiology Unit 3 Exam-Viruses
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Non cellular infectious agent. Media cannot be used to grow this type of agent.
Cell that can be infected by a virus
Groupe of species that share the same genome (sequential order of 3)
Process by which new virons are produced
1st step of the lytic cycle
Attachment- (which is the 1st step of the lytic cycle)
Virion binds to surface of host cell
Attachment is help on by....
Adhesins- (which is what holds the attachment in the 1st step of the lytic cylcle)
Protein that attaches the parasitic microbe to its host.
2nd step of the lytic cycle
3rd step of the lytic cycle
Maturation- (3rd step of the lytic cycle)
Assembly of viral components into nucleocapsids.
Synthesis (which is the 2nd stage of lytic cycle)
Molecular components of virions are produced by the host cell.
3rd stage of the lytic cycle
1. Non-enveloped viruses-
2. Enveloped viruses-
- Release by....
- 1. lysis of host cell
- 2. bydding from host cell
- 1. Attachment
- 2. Penetration
- 3. Synthesis
Attach and penetrate, but no virions produced
Latent (Long term infection)
No production of virions
Template for reverse transcription of complementary DNA stand
DNA stands serve as...
- Template for replication of complementary DNA strand.
- Results in dsDNA copy of the viral genome.
Which remain as...
- Cope of viral genome inserts into host cell chromosome
- latent infection
- virion production
Grow in Emrbyonated chicken eggs
(Cyctopathic Effect) HTLV 1 and 2 results in..
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