Microbiology And Vaccine WS W8 Flashcards
What do viruses have
Envelope
Epstein-Barr Virus (EBV) is associated with…
Infectious Mononucleosis
Hepatitis
Burkitt’s lymphoma
Nasopharyngeal carcinoma
What virus isnt transmitted from animals to humans
Polio
In extracellular state the virus particle is called a what
Virion
The innermost portion of a viruses structure is made up of…
Either rna or dna
Viruses that transform a cell so it undergoes continuous cell division (or is cancerous) are…
Carrying oncogenes
If a virus is latent it
Has not entered a lytic cycle
Some but not all viruses contain……..on their outer surface
A membranous envelope
In order to infect a cell, a virus must….
Have a special protein on its surface that can interact with a protein on the host cell surface
The cycle of viral infection of a bacterial cell that will cause its death most rapidly is called …
The lysogenic cycle
When an enveloped animal virus enters a cell then….
The protein capsid is removed through un-coating to expose the viral genome
One cell passing DNA to a second cell is he process of …
Conjugation
Prokaryotes contain ….
A singular circular DNA molecule as the genetic material
What categorises prions
- prions are simply protein molecules
- they cause Creutzfeld-Jakob and Kuru
- prions are linked to spongiform encephalopathy and scrapie
Viruses are capable of replicating by division outside of a cell, but they replicate by
assembly within a host cell. True or False?
T
