Lab11:BacteriaoftheSkin LearningObjectives: • Identifythegrowthofskinbacteriaondifferenttypesofselectiveanddifferentialmedia. • Identifypathogenicfromnon-pathogenicbacteria Introduction: Our skin forms the first line of defense. It has several characteristics that makes it an inhospitable environment for the growth of most microbes. Some of thesecharacteristics of skin include: high percentage of salt, low pH from 4-5.5, sebum, antimicrobial chemicals; an outer layer of dead skin cell...

Lab13:BacteriaoftheDigestiveSystem LearningObjectives • Identifyhowselectiveanddifferentialmediacanbeusedintheidentificationofbacteriathatcaninhabit the digestive tract. • Identifythegrowthofsamplesofpresumedfecalbacteriafromrestroomswabs. Introduction The human intestinal tract is inhabited from birth by a variety of microorganisms acquired, at first, fromthe mother. Later, microbes are ingested in food and water, and from hands and objects placed in themouth. Many of those do not ...

EXAM2REVIEW HereissomeinformationaboutExam2. • Thisexaminationcoverscontentlearnedinweeks3and4. • Thisexamisworth120totalpoints,andincludesthefollowingtypesofquestions: o 25Multiplechoicequestions o 5Multipleanswerandmatchingquestions o 10Fillintheblankquestion o 2Essayquestions • Youhave90minutestocompletetheExam. • Whenthetimelimitisreached,youwillautomaticallybeexitedfromtheexam. • Remembertochoosethebestanswer,somequestionsmayhavemorethanonecorrectanswer butonlyoneBESTans...

PathogenInformation Classification of microorganism- Domain- prokaryote or eukaryote or virus,general characteristics of the family and genus to which this pathogen belongs- forexample virus can have different extra cellular or intracellular forms, bacteria can beendosporeforming,capsuleproducing,eukaryotescanhaveanotherhost.Includehowitrelatestotheinformationcoveredinclass-whichchapnumberandwhatwastaught. Cellular/ structural (in case of viruses) characteristics. Add information hereaboutmo...

BIOS 242 Week 1 Lab 1 Culture Transfer Techniques

Abstract C. Perfringens, or the scientific name Clostridium Perfringens, are bacteria that causefood poisoning. Most people get food poison from eating contaminated food. Clostridiumperfringensis the second or third cause of reported foodborne disease outbreaks, and most of theoutbreaks occur in collective restaurants. C. Perfringens are found in different types of meat, theenvironment,andintheintestinesofanimals.Thisinfectionisaffirmedwhenalabtestidentifiesthe bacteria in a stool sample. The...

LabReport: Disinfectants and Antibiotics Purpose: Describe thepurposeofthe lab. Exercise1:Disinfectants Organism1: Besuretorecordthechemicalorproductyoutestedandcompletethistablebyobtainingdatafromothergroupsinyourclass Organism2: Besuretorecordthechemicalorproductyoutestedandcompletethistablebyobtainingdatafromothergroupsinyourclass Questions: 1. Wasyourtestchemicaleffective?Brieflyexplain. 2. Wasyourtestchemicalmoreeffectivethatthelabdisinfectant?Brieflyexplain. 3. Wasyourtestche...

BIOS 242 Week 1 Lab 2 Isolation of Pure Cultures

Lab10:HowGermsSpread Learningobjectives: • Tolearnhowgermsspread • Tobetterunderstandthespreadofgerms,byhealthcareprofessionals,frompatienttopatient • Tobetterunderstandtheimportanceofgoodhandwashing. Germsspreadinmanydifferentways.Directcontact,indirectcontact,aerosoltransmission,sexuallytransmittedorthroughavector.Inthislab,wewillobservehowgermsspread. Materials: Glowinthedarkgel,Blacklight Method: 1. Wearpersonalprotectiveequipmentincludinglabcoat,safetyglassesandgloves...

1. DrawanimageofaProkaryoticcellinthespacebelow.Labelalltheorganellesandstructurespresentin atypicalprokaryotic cell. 2. CompletethefollowingtablebylistingvariousorganellesandstructurescommonlyfoundinaProkaryoticcellanddescribe theirfunctionsin 1-2sentences. 3. DrawanimageofaEukaryoticcellinthespacebelow.Labelalltheorganellesandstructurespresentin atypicalEukaryotic cell. 4. CompletethefollowingtablebylistingvariousorganellesandstructurescommonlyfoundinaEukaryoticcell and describetheirfunctio...