Tumor Suppressors

Descrição

Year 2 Quiz sobre Tumor Suppressors, criado por gina_evans0312 em 03-12-2013.
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Quiz por gina_evans0312, atualizado more than 1 year ago
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Criado por gina_evans0312 mais de 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
What is the role of the Rb Susceptibility gene?
Responda
  • Nuclear transcription factor
  • Nuclear phosphatases
  • Nuclear phosphorylases

Questão 2

Questão
What protein does Rb bind to?
Responda
  • E2F
  • FF2
  • EF2

Questão 3

Questão
What is the role of the protein bound to Rb?
Responda
  • Transcription factor
  • Kinase
  • Phosphatase

Questão 4

Questão
What are the target genes of the Rb bound protein?
Responda
  • dNTP producing genes
  • Transcription factor producing genes
  • Growth factor producing genes

Questão 5

Questão
How is Rb phosphorylated and deactivated?
Responda
  • By Cyclin
  • By CDK
  • By a cyclin/CDK dimer

Questão 6

Questão
What protein phosphorylates CDK?
Responda
  • CAK
  • CAD
  • CAB

Questão 7

Questão
Which forms first during G1?
Responda
  • CDK/Cyclin D
  • CDK/Cyclin E

Questão 8

Questão
What causes the production of Cyclin/CDK E &D?
Responda
  • Jun Activity
  • AP1 Activity
  • Myc Activity

Questão 9

Questão
Which is required to activate E2F?
Responda
  • Cyclin/CDK D
  • Cyclin/CDK E
  • Both
  • Neither

Questão 10

Questão
Name 3 CDK inhibitors
Responda
  • p13
  • p21
  • p12
  • p16
  • p27
  • p19

Questão 11

Questão
Which of the following binds to CDK, & twists its head to block the active site?
Responda
  • p16
  • p12
  • p19

Questão 12

Questão
Which of the following bind to cdk with cyclin and physically block the active site?
Responda
  • p21
  • p27
  • p19

Questão 13

Questão
How are the CDK inhibitors controlled?
Responda
  • Phosphorylation & degredation
  • Phosphorylation & activation

Questão 14

Questão
How long is the bp sequence p53 binds to?
Responda
  • 10 bp
  • 12 bp
  • 15 bp

Questão 15

Questão
Put the following p53 domains in order A- Signalling Domain B- Damaged DNA binding domain C-Oligomerization Domain D- Activation Domain E- DNA binding domain
Responda
  • D-A-E-C-B
  • D-A-C-E-B
  • A-D-C-E-B
  • B-A-D-E-C

Questão 16

Questão
How does p53 work in its active form?
Responda
  • As a monomer
  • As a dimer
  • As a tetramer

Questão 17

Questão
What does p53 bind to when active?
Responda
  • TATA boxes
  • E-boxes
  • Damaged DNA

Questão 18

Questão
What can cause the activation of p53?
Responda
  • Acetylation
  • Phosphorylation
  • Ionising radiation

Questão 19

Questão
What does p53 do if activated in G1?
Responda
  • Repairs DNA
  • Reverts the cell back to G0
  • Forces cell through mitotic cycle

Questão 20

Questão
What happens if p53 is activated after G1?
Responda
  • Bax is transcribed- it initiates apoptosis
  • Bax is transcribed- It initiates S phase
  • Bax is transcribed- It inhibits M phase

Questão 21

Questão
Where do mutations causing non-function tend to occur in p53?
Responda
  • The DNA binding domain
  • The damaged DNA binding domain
  • The signalling domain

Questão 22

Questão
How is p53 removed from the cell?
Responda
  • MDM2
  • MDM
  • MDM1

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