Colony Communication

Descrição

Medical Microbiology (Gene Transfer) Quiz sobre Colony Communication, criado por gina_evans0312 em 23-02-2014.
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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 do the HCD genes expressed by the the gram -ve P.aeruginosa do?
Responda
  • Increase pathogenicity
  • Allow biofilm formation
  • Cause a fibrin clot barrier

Questão 2

Questão
At HCD, P.aeruginosa produced which Homoserine Lactone?
Responda
  • LasI, which are detected by LasR
  • RhlI which are detected by RhlR
  • Mrl, which are detected by MrR
  • FasI, which are detected by FasR

Questão 3

Questão
The homoserine lactones of P. aeruginosa can be detected in the sputum of Cystic fibrosis patients
Responda
  • True
  • False

Questão 4

Questão
The strains of S.aureus produce 1 of 4 peptides
Responda
  • True
  • False

Questão 5

Questão
What is the role of each peptide produced by S.aureus?
Responda
  • Stimulates other strains that produce the same peptide
  • Inhibits other strains that produce the same peptide
  • Stimulates other strains that produce different peptides
  • Inhibits other strains that produce different peptides

Questão 6

Questão
P2 & P3 are divergent promoters (they go in opposite directions)
Responda
  • True
  • False

Questão 7

Questão
In E.Coli, of the P3 stimulated proteins, AgrA is the intracellular transducer,....
Responda
  • AgrB is the exit channel, AgrD is the autoinducer, AgrC is the receptor
  • AgrV is the exit channel, AgrC is the autoinducer, AgrD is the receptor

Questão 8

Questão
P2 transcribes RNAIII
Responda
  • True
  • False

Questão 9

Questão
RNAIII controls 100s of genes
Responda
  • True
  • False

Questão 10

Questão
RNAIII binds to the mRNA close to the ribosomal binding site, and does what?
Responda
  • Alters the secondary structure to inhibit/promote ribosomal binding
  • Alters the super- secondary structure to inhibit/promote ribosomal binding
  • Alters the tertiary structure to inhibit/promote ribosomal binding

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