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Microorganisms associated with disease and poor sanitation need a media to encourage growth

Selective Media

Media use to identifiy the difference between two simliar organisms or to supress unwated microbes and encourage desired microbes

Differential or selective media

Assume you inoculated 100 facultatively anaerobic cell onto nutrient agar and incubated the plate aerobically... Then on a 2nd plate do the same thing anaerobically. After incubation for 24 hours you should have?

The same number of colonies on both plates

The term trace elements refers to

Small mineral requirments

temperatures would most likely kill a mesophile?

60 C= 140 F ; prefers close to body temperature

Which of the following is NOT a characteristic of Biofilms?

antibiotic resistance
quorum sensing

Which ofthe following types of media would NOT be used to culture aerobes?

selective media
enrichment media
Differential media
complex media

An organism that has peroxidase and superoxide dismutase but lacks catalse is most likely an?

obligate anaerobe

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