Metastasis & Cancer Viruses

Beschreibung

Year 2 Quiz am Metastasis & Cancer Viruses, erstellt von gina_evans0312 am 01/12/2013.
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Quiz von gina_evans0312, aktualisiert more than 1 year ago
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Erstellt von gina_evans0312 vor fast 11 Jahre
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Zusammenfassung der Ressource

Frage 1

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

Frage 2

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

Frage 3

Frage
RNA viruses require what to be infectious?
Antworten
  • Reverse Transcriptase
  • DNA Polymerase
  • DNA Helicase

Frage 4

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

Frage 5

Frage
Can viruses pick up human genes, and would it be dangerous?
Antworten
  • 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

Frage 6

Frage
If a virus picked up only part of a gene, is this dangerous?
Antworten
  • 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

Frage 7

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