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6. An opportunistic species is one which
- colonises in conjunction with another species
- colonises only when the immune system is compromised
- colonises only when another species dies out
7. a visilous/bacilli shaped bacteria is
8. a nosocomial infection is one
- acquired in a hospital
- in the nasal passage
- has developed resistance
9. the transfer of DNA from one molecule to another, within a cell is called
- dna transfer
- transposition
- translation
10. bacteria in a vegetative state to help them survive stress are called
- dormant bacteria
- spores
- quiescent bacteria
11. virulence factors are those which
- contribute to symptoms
- help the bacteria
- help the immune system
12. a cooci shaped bacteria is
13. if a virus has positive sense dna or rna
- It's genetic material can access host DNA and will replicate along with future hosts
- it can take over ribosomal activity immediately as it already has an mRNA template
- it has a template from which mRNA need to be transcribed
14. transformation is the transfer of DNA via
- uptake by recipient cell of naked DNA that is released into the environment
- bacteriophage
- a pili
15. viruses of bacteria that can transfer genes are called
- bacteriophages
- retroviruses
- plasmids
16. what is a fomite
- a non-living carrier of bacteria
- a living carrier of bacteria
- a harmful type of bacteria
- a helpful type of bacteria
17. bacteria repilcate via
- mitosis
- invading host cell
- binary fission
- meiosis
18. A bacteria is which kind of organism
19. the infectious dose is
- the dose needed to cause infection
- the dose that any 1 bacteria represents
- the dose needed to inhibit colonisation
20. Give an example of a GPC
- streptococcous pneumoniae
- salmonella
- diptheria
- meningitis