Colony Communication

Beschreibung

Medical Microbiology (Gene Transfer) Quiz am Colony Communication, erstellt von gina_evans0312 am 23/02/2014.
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Quiz von gina_evans0312, aktualisiert more than 1 year ago
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Erstellt von gina_evans0312 vor fast 11 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
What do the HCD genes expressed by the the gram -ve P.aeruginosa do?
Antworten
  • Increase pathogenicity
  • Allow biofilm formation
  • Cause a fibrin clot barrier

Frage 2

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

Frage 3

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

Frage 4

Frage
The strains of S.aureus produce 1 of 4 peptides
Antworten
  • True
  • False

Frage 5

Frage
What is the role of each peptide produced by S.aureus?
Antworten
  • 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

Frage 6

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

Frage 7

Frage
In E.Coli, of the P3 stimulated proteins, AgrA is the intracellular transducer,....
Antworten
  • 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

Frage 8

Frage
P2 transcribes RNAIII
Antworten
  • True
  • False

Frage 9

Frage
RNAIII controls 100s of genes
Antworten
  • True
  • False

Frage 10

Frage
RNAIII binds to the mRNA close to the ribosomal binding site, and does what?
Antworten
  • 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
Zusammenfassung anzeigen Zusammenfassung ausblenden

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