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Create a 2- to 3-page document in Microsoft Word for providing answers to questions in the following: Exercise4: Purebacterialcolonies 1. Whenanagarplateis inoculated,whyis theloopsterilizedaftertheinitialinoculumis puton? 2. Distinguishbetweena purecultureandamixedculture. 3. Definea bacterialcolony.Listfourcharacteristicsbywhichbacterialcoloniesmaybe distinguished. 4. Whyshoulda Petridishnotbe leftopenforanyextendedperiod? 5. Whydoesthestreakingmethod youusedto inoculateyourplatesresultin isolatedcolonies? Exercise5: Pourplateandstreakingtechniquetoobtainpurecultures 1. Discusstherelativeconvenienceofpour-andstreak-platetechniquesinculturingclinical specimens. 2. Howdoyoudecidewhichcoloniesshouldbepickedfrom aplatecultureofamixedflora? 3. Whyisitnecessarytomakepuresubculturesoforganismsgrownfrom clinicalspecimens? 4. Whatkindsofclinicalspecimensmayyielda mixedflorainbacterialcultures? 5. 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

Create a 2- to 3-page document in Microsoft Word for providing answers to questions in the following:

 

Exercise4: Purebacterialcolonies

 

  1. Whenanagarplateis inoculated,whyis theloopsterilizedaftertheinitialinoculumis puton?

 

  1. Distinguishbetweena purecultureandamixedculture.

 

  1. Definea bacterialcolony.Listfourcharacteristicsbywhichbacterialcoloniesmaybe distinguished.

 

  1. Whyshoulda Petridishnotbe leftopenforanyextendedperiod?

 

  1. Whydoesthestreakingmethod youusedto inoculateyourplatesresultin isolatedcolonies?

 

 

Exercise5: Pourplateandstreakingtechniquetoobtainpurecultures

 

  1. Discusstherelativeconvenienceofpour-andstreak-platetechniquesinculturingclinical specimens.

 

  1. Howdoyoudecidewhichcoloniesshouldbepickedfrom aplatecultureofamixedflora?

 

  1. Whyisitnecessarytomakepuresubculturesoforganismsgrownfrom clinicalspecimens?

 

  1. Whatkindsofclinicalspecimensmayyielda mixedflorainbacterialcultures?

 

  1. 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

 

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