Distinguishbetweena purecultureandamixedculture.
Create a 2- to 3-page document in Microsoft Word for providing answers to questions in the following:
Exercise4: Purebacterialcolonies
Whenanagarplateis inoculated,whyis theloopsterilizedaftertheinitialinoculumis puton?
Save your time - order a paper!
Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines
Order Paper NowDistinguishbetweena purecultureandamixedculture.
Definea bacterialcolony.Listfourcharacteristicsbywhichbacterialcoloniesmaybe distinguished.
Whyshoulda Petridishnotbeleftopenforanyextendedperiod?
Whydoesthestreakingmethod youusedto inoculateyourplatesresultin isolatedcolonies?
Exercise5: Pourplateandstreakingtechniquetoobtainpurecultures
Discusstherelativeconvenienceofpour-andstreak-platetechniquesinculturingclinicalspecimens.
Howdoyoudecidewhichcoloniesshouldbepickedfrom aplatecultureofamixedflora?
Whyisitnecessarytomakepuresubculturesoforganismsgrownfrom clinicalspecimens?
Whatkindsofclinicalspecimensmayyielda mixedflorainbacterialcultures?
Whenmorethanonecolonytypeappearsinpureculture,whatarethemostlikelysourcesof extraneouscontamination?
Exercise3: Primarymediaforisolationofmicroorganisms
1.Definea differentialmediumanddiscussitspurpose.
2.Definea selectivemediumanddescribeitsuses.
3.WhyisMacConkeyagarselectiveas wellasdifferential?
4.Whyisbloodagarusefulasaprimaryisolationmedium?
5.Whatis themajordifferencebetweenModifiedThayer-Martin(MTM)andchocolateagar?Whenwould youuseMTMratherthanchocolateagar?
Support your responses with examples.
Cite any sources in APA format
