Quiz
Colony Communication
Questions in this quiz (10)
1What do the HCD genes expressed by the the gram -ve P.aeruginosa do?
- AIncrease pathogenicity
- BAllow biofilm formation
- CCause a fibrin clot barrier
2At HCD, P.aeruginosa produced which Homoserine Lactone?
- ALasI, which are detected by LasR
- BRhlI which are detected by RhlR
- CMrl, which are detected by MrR
- DFasI, which are detected by FasR
3The homoserine lactones of P. aeruginosa can be detected in the sputum of Cystic fibrosis patients
- ATrue
- BFalse
4The strains of S.aureus produce 1 of 4 peptides
- ATrue
- BFalse
5What is the role of each peptide produced by S.aureus?
- AStimulates other strains that produce the same peptide
- BInhibits other strains that produce the same peptide
- CStimulates other strains that produce different peptides
- DInhibits other strains that produce different peptides
6P2 & P3 are divergent promoters (they go in opposite directions)
- ATrue
- BFalse
7In E.Coli, of the P3 stimulated proteins, AgrA is the intracellular transducer,....
- AAgrB is the exit channel, AgrD is the autoinducer, AgrC is the receptor
- BAgrV is the exit channel, AgrC is the autoinducer, AgrD is the receptor
8P2 transcribes RNAIII
- ATrue
- BFalse
9RNAIII controls 100s of genes
- ATrue
- BFalse
10RNAIII binds to the mRNA close to the ribosomal binding site, and does what?
- AAlters the secondary structure to inhibit/promote ribosomal binding
- BAlters the super- secondary structure to inhibit/promote ribosomal binding
- CAlters the tertiary structure to inhibit/promote ribosomal binding
Information
- Description
- Medical Microbiology (Gene Transfer) Quiz on Colony Communication, created by gina_evans0312 on 23/02/2014.
- Author
- gina_evans0312
- Language
- English
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- 384
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