Metastasis & Cancer Viruses

Descrição

Year 2 Quiz sobre Metastasis & Cancer Viruses, criado por gina_evans0312 em 01-12-2013.
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Quiz por gina_evans0312, atualizado more than 1 year ago
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Criado por gina_evans0312 quase 11 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

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

Questão 3

Questão
RNA viruses require what to be infectious?
Responda
  • Reverse Transcriptase
  • DNA Polymerase
  • DNA Helicase

Questão 4

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

Questão 5

Questão
Can viruses pick up human genes, and would it be dangerous?
Responda
  • 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

Questão 6

Questão
If a virus picked up only part of a gene, is this dangerous?
Responda
  • 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

Questão 7

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

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