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Which of the following is DIFFERENTIAL media

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1) Which of the following is DIFFERENTIAL media?;Answer;A.;Blood agar;B.;Koser citrate medium;C.;Nutrient broth;D.;MacConkey agar;2)Organisms that demand nutrients supplied in organic media supplemented with vitamins, amino acids and tissue extracts of unknown composition are called what?;Answer;A.;aerobic;B.;organoheterotrophs;C.;complex;D.;fastidious;3)What is a microbial colony?;Answer;A.;a pure grouping of microbes on a plate originating from a single progenitor cell;B.;a biofilm of fungi and bacteria growing on SAB agar;C.;a mixed culture of microbes on a plate of at least two species;D.;a culture of microbes growing in liquid broth;4);Which of the following bacteria is the most common cause of dental caries (cavities)?;Answer;A.;Streptococcus mutans;B.;Porpyromonas gingivalis;C.;Treponema denticola;D.;Streptococcus pyogenes;5) Dental plaque is a complex group of microorganism that adhere to one another and communicate with each other. What is this called?;Answer;A.;a biohazard;B.;a biofilm;C.;a cavity;D.;a bacterial party;6) Ideally, where on the plate will you find isolated colonies when you have performed the streak plate properly?;Answer;A.;On the lid of the plate.;B.;In the center of the plate from streak number 4.;C.;On the side of the plate from streak number 2.;D.;On the side of the plate from streak number 1.

 

Paper#18029 | Written in 18-Jul-2015

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