Why do some viruses induce cancer in their hosts?

The needs of virally infected cells are similar to cancerous ones

They actively damage DNA by inserting themselves into the host genome

They prevent transcription of tumor suppressors

Which of the following ways are used by viruses to alter cells (and potentially trigger cancer)?

Express genes that alter key transduction pathways

Chronic activation of inflammatory responses

Integration of viral genome interrupts control of various genes

Further genetic alterations (other than those caused by cancer)

Damage to the cell via cytokines

Test

gina_evans0312 5 preguntas

Hacer el test

1Certain strains for both DNA and RNA viruses are capable of causing cancer
1. AVerdadero
2. BFalso
2Why do some viruses induce cancer in their hosts?
1. AThe needs of virally infected cells are similar to cancerous ones
2. BThey actively damage DNA by inserting themselves into the host genome
3. CThey prevent transcription of tumor suppressors
3Which of the following ways are used by viruses to alter cells (and potentially trigger cancer)?
1. AExpress genes that alter key transduction pathways
2. BChronic activation of inflammatory responses
3. CIntegration of viral genome interrupts control of various genes
4Viral infection, by itself, cannot trigger cancer
1. AVerdadero
2. BFalso
5Which of the following must happen in order for viral infection to create cancerous cells? Answer can be single, or multiple.
1. AImmunocompromised host
2. BFurther genetic alterations (other than those caused by cancer)
3. CDamage to the cell via cytokines

Descripción: (Epstein Barr Virus) Virology Test sobre Herpes Viruses and Cancer, creado por gina_evans0312 el 10/02/2014.
Autor: gina_evans0312
Idioma: English
Visitas: 420
Etiquetas: epstein barr virus virology virology epstein barr virus
Valoración: Aún sin valoraciones
Valora este test
Valora este test