Lab4:SimpleStaining LearningObjectives: • Tolearnaboutprincipleofstaining • Tolearntheprocessofsimplestain • Topreparewetmountslides Exercise1:SimpleStainMaterials: OvernightculturesofS.epidermidis,B.subtilis,S.cerevisiae(yeast),inoculatingloop,glassslides,incinerators,crystalvioletoranyotherstainchosenbyinstructor;tongs,stainingracks/trays,immersionoil,lenspaper,bibulouspaper,microscope Method: 1. Obtainacleanglassslide,loopandovernightcultures.Holdtheglassslidesfromtheedgestoav...

Lab5:DifferentialStaining LearningObjectives: • Explaintheprincipleofdifferentialstaining • Applydifferentialstainingtoidentifybacteria Differentialstainusestwoormorestainstospecificallystaincertainstructuresorcellularcomponentswhichcannotbeeasilyobservedusingsimplestains.Differential staining principles are based upon the specific chemical nature and composition of cellular components and therefore, different structures areobservedusingdifferentstainsandstainingprocedures.Differenti...

Week2Concepts:ClassificationandNutrition ProkaryoticvsEukaryoticCells Prepare:ProkaryoticvsEukaryoticCells • Thecellularstructuresfoundinprokaryotesare(selectallthatapply) • TheGramstainworksbecauseofdifferencesinthe ofbacteria. Prokaryotesinclude • Which of the following structures contribute to pathogenicity of bacteria (select all that apply) Self-Check: Bacteria andArchaea • Drag the cell types to the three respective highlighted images at the bottom. Self-Check:BacteriaExte...

BIOS 242 Lab Practicum Review Chamberlain

Lab3:Microscopy-ObservationofCells LearningObjectives: • Usethecompoundlightmicroscopeforobservationofcells. • Identifydifferenttypesofbacteriabasedontheirshapes. • Identifyavarietyofeukaryoticcells. Introduction: Exercise2:ObservationofDifferentTypesofBacteriaMaterials: Compoundmicroscope,immersionoil,lenswipes,preparedslidesofvariousbacteria-Rods,cocciandspiral Method: 1. Obtainthepreservedslideofabacteria. 2. UseAppendixAandfollowtheinstructionsonhowtouseaMicroscope. 3. O...

MICRO. Exam 1 1. Question:Describe the idea of spontaneous generation and what experiments have refuted this idea? Describe the experiment of Louis Pasteur in detail as well as the inferences that were made. What was a specific feature of the experiment that has allowed to experiment? 2. Question:Postulates of Robert Koch. List them all and their significance in microbiology. 3. Question:Review the contribution of each scientist in the field of Microbiology: John Snow, Alexander Fleming, Igna...

Week6Concepts:EpidemiologyofInfectiousDiseases Skin,NervousSystem,andCirculatorySystemPathogens Prepare:SkinandNervousSystemPathogens • Whichofthefollowingisnotapriondisease? • Mostcasesofsepsisarecausedby . • Protectivefeaturesoftheskinincludeallofthefollowingexcept . • Whichofthefollowingisafebrilediseasecharacterizedbyarashand iscausedbyavirusthatcancrosstheplacentato cause serious fetaldamage? • Thetransmissionof oftenoccursviainfectedtooth,dentaltrauma,orsmallskinwounds. ...

Noteforstudents:Macromoleculesisareviewfrompriorcourses.Thistopicmayormaynotbecoveredin-classoronline.YoumayuseyourtextbookorbooksfrompriorcoursesforthisALT.(Slide4;2.5points) Completethefollowingtablebydescribingthetermsin1-2sentenceswiththeirfunctionandexamples

Lab9:FoodSafety LearningObjectives: • Tolearnabouteffectivenessofhandwashing • Tolearnaboutcleaningproduce • Tolearnaboutappropriatelystoringfoods GI infections occur due to contaminated food and water. Clean drinking water, washed produce,appropriatestorageoffoodandsimplepersonalhygienehabitssuchashandwashinghelptremendouslyin reducing the incident of GI infections. In this lab, we will test the effectiveness of some of thesepractices. Exercise1:PersonalHygiene-ImportanceofHandwas...

Week7Concepts:EpidemiologyofInfectiousDiseases Respiratory,Digestive,andUrogenitalSystemPathogens Prepare:Respiratory,Digestive,andUrogenitalSystemPathogens • AwomanismuchmorelikelythanamantocontractaUTI.Whichofthefollowingpracticeswouldbestreduceherchancesofgetting aUTI? • Whatfeaturesoftherespiratorysystemprotectitfrominfection? • DefensesoftheGItractagainstpathogensinclude . • TrueorFalse:Despiteacidicconditions,somemicroorganismshavebeenfoundresidingwithinthehumanstomach. • ...