PHSI3012 02-2 Limitless replicative potential of cancer cells

Descrição

PHSI3012 02-2 Limitless replicative potential of cancer cells Content: * Hallmarks of Cancer * Cellular proliferation * Mortality vs immortality * Telomeres * Telomerase * ALT
Michael Jardine
Quiz por Michael Jardine, atualizado more than 1 year ago
Michael Jardine
Criado por Michael Jardine mais de 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
True or false: Cells which have entered senescence have a large, flattened morphology "like poached eggs".
Responda
  • True
  • False

Questão 2

Questão
Mutations in p53 and/or Rb can lead to:
Responda
  • Bypassing senescence and crisis.
  • Bypassing senescence and entering crisis.
  • Entering crisis.
  • [none of the above]

Questão 3

Questão
Cells in "crisis" have which of the following traits? (select all that apply)
Responda
  • Massive cell death
  • Reduced cell death
  • Increased genomic stability
  • Genomic instability

Questão 4

Questão
The Hayflick limit is:
Responda
  • The number of divisions a cell can undergo before entering senescence.
  • (not this one)

Questão 5

Questão
Telomeres shorten by ~[blank_start]_____[blank_end] bp with each round of cell division.
Responda
  • 5 - 15
  • 50 - 150
  • 500 - 1,500
  • 5,000 - 15,000
  • 130 - 210
  • 2,000 - 40,000

Questão 6

Questão
There are two [main?] telomere maintenance mechanisms. These are Telomerase and ALT. What does ALT stand for? [blank_start]_____[blank_end]
Responda
  • Alternative Lengthening of Telomeres

Questão 7

Questão
Which [non-cancerous] cell type does NOT have shortening telomeres during replication?
Responda
  • Germ line cells
  • Stem cells
  • Cardiomyocytes

Questão 8

Questão
Telomerase is:
Responda
  • An enzyme
  • A protein
  • A molecule

Questão 9

Questão
Which telomere maintenance mechanism is used in the majority of cancers?
Responda
  • Telomerase
  • ALT

Questão 10

Questão
Telomerase can be detected using which of the following methods: (select all that apply)
Responda
  • TRAP (Telomere Repeat Amplification Protocol) assay
  • TRF (Terminal Restriction Fragment) assay
  • APBs (ALT-associated PML Bodies)
  • C-circle assay
  • Movement of the telomere tag

Questão 11

Questão
ALT can be detected using which of the following methods? (select all that apply)
Responda
  • TRAP (Telomere Repeat Amplification Protocol) assay
  • TRF (Terminal Restriction Fragment) assay
  • APBs (ALT-associated PML Bodies)
  • C-circle assay
  • Movement of the telomere tag

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