PHSI3012 02-2 Limitless replicative potential of cancer cells

Beschreibung

PHSI3012 02-2 Limitless replicative potential of cancer cells Content: * Hallmarks of Cancer * Cellular proliferation * Mortality vs immortality * Telomeres * Telomerase * ALT
Michael Jardine
Quiz von Michael Jardine, aktualisiert more than 1 year ago
Michael Jardine
Erstellt von Michael Jardine vor etwa 7 Jahre
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Zusammenfassung der Ressource

Frage 1

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

Frage 2

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

Frage 3

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

Frage 4

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

Frage 5

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

Frage 6

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

Frage 7

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

Frage 8

Frage
Telomerase is:
Antworten
  • An enzyme
  • A protein
  • A molecule

Frage 9

Frage
Which telomere maintenance mechanism is used in the majority of cancers?
Antworten
  • Telomerase
  • ALT

Frage 10

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

Frage 11

Frage
ALT can be detected using which of the following methods? (select all that apply)
Antworten
  • 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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