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(lab 6) Straighterline microbiology lab BIO250L food microbiology worksheet 2025 100% Pass Score

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Lab 6 Food Microbiology
f f f BIO250L


(lab 6) Straighterline microbiology lab
BIO250L food microbiology worksheet
2025 100% Pass Score
StudentfName:
AccessfCodef(locatedfonfthefundersidefofftheflidfoffyourflabfkit):


Pre-LabfQuestions

1. Escherichiafcolifisfonefoffthefmostfcommonfcausesfofffoodbornefillness,fyetfitfisfalsofafcommonfmi
croorganismffoundfwithinfthefhumanfgut.fWhatfexplainsfthisfdisparity?
E.fcolifisfafbacteriafthatfprimarilyflivesfinfthefintestinesfandfnormallyfhasfnofnegativefeffectsfonfthefh
ealthfoffthefintestines.fHowever,fsomefstrainsfoffpathogenicfE.fcoli,fparticularlyfthosefthatfgeneratef
Shigaftoxin,farefmoreflikelyftofcontaminateffoodfandfwaterfsuppliesfand,fiffconsumed,fcanfcauseffoo
dbornefdiseases.fThisfinformationfwasfgivenfbyfthefAmericanfFoodfandfDrugfAdministration.


2. Therefarefseveralffoodsfandfbeveragesflistedfinfthisflabfthatfarefcreatedfthroughfthefactionsfoffmicr
oorganisms.fNameffivefofftheffoodsfandfthefspecificfmicroorganismsfthatfarefusedftofmakefeachfofft
hem.
SaccharomycesfcerevisiaefandfLactobacillusfcanfbefdetectedfinfsourdoughfbread,fwhereasfSwissfc
heesefcontainsfPropionibacteriumffreundenreichii.fBeerfcontainsfSaccharomycesfpastorianus,fSac
charomycesfcerevisiaefand,fandfkimchifcontainsLactobacillusfplantarumfandfLeuconostocfmesent
eroides.fThefmicrobesfthatfproducefvinegarfarefAcetobacterfandfGluconobacter.

, Lab 6 Food Microbiology
f f f BIO250L



3. UsingfanfonlinefresearchftoolfsuchfasfthefA-ZfindexfonfthefCDCfwebsite,fexplainfwhyfListeria

monocytogenesfisfafmajorfthreatftofpregnantfwomenfandftheirfdevelopingffetuses,fwhofareftenftimes
fmoreflikelyftofgetfsickfthanfotherfdemographicfgroups.

Listeriafisfafbacteriafthatfisffrequentlyfdiscoveredfinfvegetables,fparticularlyfunpasteurizedfdairyfpro
ducts.fThefCentersfforfDiseasefControlfandfPreventionf(CDC)

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