Metastasis & Cancer Viruses

Descripción

Year 2 Test sobre Metastasis & Cancer Viruses, creado por gina_evans0312 el 01/12/2013.
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Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312 hace más de 10 años
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Resumen del Recurso

Pregunta 1

Pregunta
Which step of metastasis is the easiest?
Respuesta
  • Travel in the bloodstream
  • Escape from parental tissue
  • Colonisation of new tumor sitee

Pregunta 2

Pregunta
What is special about virus induced cancers?
Respuesta
  • They skip the transformed cell step
  • They never get past the transformed cell step

Pregunta 3

Pregunta
RNA viruses require what to be infectious?
Respuesta
  • Reverse Transcriptase
  • DNA Polymerase
  • DNA Helicase

Pregunta 4

Pregunta
Why is viral integration so dangerous?
Respuesta
  • It makes the disruption of important genes more likely
  • It tampers with translation/transcription machinery
  • It prevents proteins from folding properly

Pregunta 5

Pregunta
Can viruses pick up human genes, and would it be dangerous?
Respuesta
  • Yes- they would cause over-expression of the gene as they replicated
  • Yes- they would potentially gain the ability to better survive inside the cell
  • No

Pregunta 6

Pregunta
If a virus picked up only part of a gene, is this dangerous?
Respuesta
  • Potentially more so than a whole one- a protein that worked but had no control domains would be very dangerous
  • Yes, but less than a whole one- the protein would not function as well
  • No- viruses cannot pick up genes
  • No- the protein wouldn't function

Pregunta 7

Pregunta
If Src was to be overproduced, what would the effect be?
Respuesta
  • Debundling of vinalin
  • Debundling of laminin
  • Cells release surface and degenerate further
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