PORTAGE LEARNING BIOD 171 FINAL EXA

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PORTAGE LEARNING BIOD 171 FINAL E
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XAM ALL QUESTIONS ANDANSWERS10
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0%CORRECT/VERIFIED GUARANTEED s



RATED A+
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TruesorsFalse:s Asvirussissconsideredsasmicroorganism.
False.sVirusessaresnotslivings andsasssuchsaresnots considereds microorganisms.s Virusescan,sho
wever,sbesclassifiedsassmicrobes,sasmoresgeneralstermsthats includessmicroorganismssandsvir
uses.

1.Whats issthessmallests biologicalsunits ofslife?s
Ascell.

2. Ats as generalizeds level,s allscellssares compriseds ofswhat?s
Macromolecules*
*Asstudents maysalsos answer:sProteins,s Lipids,s NucleicsacidssandsPolysaccharidessbuttheysmus
tsanswerswithsallsfourstosbesfullyscorrect.

1. Whichsofsthes followings microorganismss aresconsidereds tos bes Eukarya?sSelects allsthatsap
ply.
A. Animalia
B. Plantae
C. Fungi
D. Protistas
A,B,C,D

2. TruesofsFalse:s Alls multicellulars microorganismss classifieds ass Animalias aresh
eterotrophic.
True

3.Microorganismss classifieds ass Plantaesobtains mosts ofstheirs energys bysc
onverting energysinto energy.
Lights (sunlight);s chemicals(sugars)
Defines catabolism.
1.
Catabolisms issthesprocesss ofsbreakings downslargers moleculess intos usefulsenergysources.

2.Uponscellulars injury,s whichsmetabolicsprocesssiss involvedsduringsthes growthsandsrep
airs phasessofsthescell?sThesanabolics processs woulds besactives ass its (bysdefinition)issinvolv
eds insthes buildingsupsofssmallscomplexess intos largerscomplexes.

1.Insphosphorylation,s thes lights reactionss alwayss occurs where?sT
hesprocesssofsconvertings lights energysintos chemicalsenergys(pho
tophosphorylation)salwayssoccurssinsthes membrane.

2.Truesors False:sThesCalvinscycles mustsoccursinsthes absencesofslight.
False.s Thes terms‘darks reactions’s(alsos knownsassthes Calvins Cycle)s simplysdenotessthessecon
dsstagesinsphotosynthesis—darks reactionssdos nots actuallysrequiresdarknesss insorderstosoccur.

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1. Assumingsasconstants(non-
adjustable)slightssourcespower,sidentifysthespartsofsthesmicroscopesyouswouldsadjuststosli
mitsthesamountsofslightsenteringsthesmicroscope.sSelectsallsthatsapply.
A. Objective
B. Condenser
C. Iriss diaphragm
D. Eyespiece
C.sThesirisscontrolssthesamountsofslightsthatspassessthroughsthessamplesandsintosthesobjecti
veslens.sThus,s its cansbesadjusteds(openedsorsclosed)stosaltersthesamountsofslight.

2.Whats issthestotalsmagnifications(relativestos yourseye)s ofsassamples imageds withsas60
xsobjectivesandsas10xseyepiece?sShows yoursmath.
60s xs10s =s 600xsmagnification
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PortagesLearningsBIODs171sFinalsEXAMsQuestionssandAnswerss1
00%Correct/verifiedsGuaranteedsRatedsA+s2022/2023

PortagesLearningsBIODs171sFinalsEXAMsQuestionssandAnswerss1
00%Correct/verifiedsGuaranteedsRatedsA+s2022/2023
1.s Identifyswhats typesofselectronsmicroscopes wassuseds tos capturesthes followingsimag
esandsexplains yourschoice.




Thesimages wasscaptureds usings asScanningsElectrons Microscopes (SEM).s Thesabovesim
ages showssthes trademarks‘shell’simages (nos subcellularsorganelless ares visible)sreminisc
ents ofsSEM.s OnlysTEMs isscapables ofsvisualizings subcellularssubstrucutres.
1.Truesors False:s LBs agars iss classifieds assas selective,s non-
differentials media.sFalse.s LBs agarsissthesmosts basicstypesofsagarsandslikes LBs med
iassupportssthesgrowthofsvirtuallysallsmicrobesswithoutsrestriction.
Whats issagarsuseds forsinsmicrobiology?
2.
Agarsissuseds toscreatesas solid,ssmoothssurfacesonswhichsmicrobess cansgrow.

1. TruesorsFalse.s Whensperformings asdilutionsstreaksas news(orssterilized)s loopsissnot

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requireds fors eachsphasesass longs assthes bacterialscultures isspure.
False.
2. Thes numbers ofsphasess (3s vs.s 4)s and/orsthes numbers ofstimess as loops passess throughasprev
ioussphases(oncesvs.s multiplestimes)s issacceptablesprovidedswhatshappens?sEithersdeviati
onsissacceptablesinspracticesprovideds thesresultingsgradientscontainss withinsits thes gro
wths ofs individuals colonies—ifs not,sthes experiments mustbesrepeated.
3. TruesorsFalse.s Pathogenics strainssofsbacterias tendstos growsslowers thans normalsno
n-pathogenicsbacterialsstrains.
False.
1.s Matchsthes followings symptomss withstheirs respectives diseases:
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1. Folliculitis
D
2. Scalded-skins syndrome
E
3. Impetigo
A
4. Conjunctivitis
B
A.
Childhoodsskinsdiseasesnears mouth/s nose

B. Infectionsofsthin,s transparents scleralstissue

C. Infectionsoccurss atstimes ofsbirth

D. Pus-filleds lesionssonsskinsors hair
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PortagesLearningsBIODs171sFinalsEXAMsQuestionssandAnswerss1
00%Correct/verifiedsGuaranteedsRatedsA+s2022/2023

PortagesLearningsBIODs171sFinalsEXAMsQuestionssandAnswerss1
00%Correct/verifiedsGuaranteedsRatedsA+s2022/2023
5. Ophthalmias Neonatorums C


E. Rupturedspustules;streatedswithsPenicillin
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2.sTruesorsFalse.sThescausativesagents ofsconjunctivitisscansbeseithers bacterialsors viral.
True.
TruesorsFalse.sTheresarescurrentlysnos curessforstetanus.
1.
True.