c c
Microbiology An Evolving Science, 3rd Edition, John Foster & Joan Slonczewski Chapte
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r 1-28
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CHAPTER 1: Microbial Life: Origin and Discovery
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MULTIPLEcCHOICE
1. Virusescare:
a. infectiouscagentscthatcinfectcmulti-cellularcorganisms
b. noncellularcparticlescthatctakecovercthecmetabolismcofcaccellctocgeneratecmorecviruscp
articles
c. pathogenscthatcreplicatecinccomplexcgrowthcmedia
d. cellularcparticlescthatcbelongctocthecarchaeacdomain
e. microbescthatcconsistcofclipidcmembranecenclosedcgenomes
ANS:c B DIF: Easy REF:c c 1.1 TOP:c I.Ac|cI.B
MSC:c Remembering
2. AnalysiscofcDNAcsequencescreveals:
a. thecancientcconvergencecofctwoccellctypes,ci.e.,cprokaryotescandceukaryotes
b. prokaryotescandceukaryotescevolvedcfromcaccommoncancestralccell
c. thatcbacteriacshareccommoncancestorcwithcarchaea,cbutcnotcwithceukarya
d. prokaryotescareccellscwithcacnucleus
e. thecgenomecofcHaemophiluscinfluenzaechascaboutc2cbillioncbasecpairs
ANS:c B DIF: Easy REF:c c 1.1 TOP:c I.Ac|cI.B
MSC:c Remembering
3. WhichcofcthesecgroupscarecconsideredctocbecmicrobescbutcNOTcconsideredctocbeccells?
a. viruses d. protists
b. bacteria e. filamentouscfungi
c. archaea
ANS:c A DIF: Easy REF:c c 1.1 TOP:c I.A.i
MSC:c Remembering
4. Acmicrobecisccommonlycdefinedcas:
a. acviruscthatcrequirescacmicroscopectocbecseen
b. acbacteriumcthatcrequirescacmicroscopectocbecseen
c. acsingle-cellularcprokaryotecthatcrequirescacmicroscopectocbecseen
d. acmulticellularceukaryotecthatcrequirescacmicroscopectocbecseen
e. aclivingcorganismcthatcrequirescacmicroscopectocbecseen
ANS:c E DIF: Easy REF:c c 1.1 TOP:c I.A.ic|cI.A.ii
MSC:c Remembering
5. WhichconecofcthecfollowingcstatementscregardingcmicrobialccellsciscNOTctrue?
a. Microbialccellscacquirecfood,cgaincenergyctocbuildcthemselves,candcrespondcto
environmentalcchange.
, b. Mostcsingle-celledcorganismscrequirecacmicroscopectocrendercthemcvisible,cbutcsome
bacterialccellscareclargecenoughctocbecseencwithcnakedceyes.
c. Microbescfunctioncascindividualcentities.
d. Manycmicrobescformccomplexcmulticellularcassemblages.
e. Virusescarecnotcconsideredcascmicrobialccells.
ANS:c C DIF: Easy REF:c c 1.1 TOP:c I.A.ic|cI.A.ii
MSC:c Remembering
6. WhichcofcthecfollowingcstatementsciscFALSE?
a. Acgenomeciscthectotalcgeneticcinformationccontainedcincancorganism’scchromosomalcDNA.
b. Ifcacmicrobe’scgenomecincludescgenescforcnitrogenase,cthatcmicrobecprobablyccancfixcnitroge
n.
c. ByccomparingcDNAcsequencescofcdifferentcorganisms,cweccancfigurecoutchowcclosely
relatedctheycare.
d. FredcSangercdevelopedcthecfirstcapplicablecDNAcsequencingcmethod.
e. FredcSangerccompletedcthecsequencescofcHaemophiluscinfluenzae.
ANS:c E DIF: Easy REF:c c 1.1 TOP:c I.B
MSC:c Remembering
7. Thecfirstccellularcgenomesctocbecsequencedcwerecthosecof:
a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS:c B DIF: Easy REF:c c 1.1 TOP:c I.B.i
MSC:c Remembering
8. ThecenvironmentcofcearlycEarthcmaychaveccontainedcallcofcthecfollowingcEXCEPT:
a. ferrousciron d. oxygen
b. methane e. hydrogencgas
c. ammonia
ANS:c D DIF: Easy
REF:c SpecialcTopicc1.1cTOP:c II.D
MSC:c Remembering
9. Thecdevelopmentcofcthectheorycofcthec―RNAcworld‖cresultedcfromcthecdiscoverycof:
a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS:c D DIF: Medium
REF:c SpecialcTopicc1.1cTOP:c II.D
MSC:c Remembering
10. Whichcmicrobescmaycresemblecthosecofcthecearliestclifecforms?
a. archaea d. cyanobacteria
b. photosyntheticcalgae e. protists
c. viruses
ANS:c A DIF: Medium
REF:c SpecialcTopicc1.1cTOP:c II.D
MSC:c Remembering
,11. Earlycmetabolismcmaychavecbeenccatalyzedcby:
a. DNA d. aminocacids
b. RNA e. carbohydrates
c. protein
ANS:c B DIF: Medium
REF:c SpecialcTopicc1.1cTOP:c II.D
MSC:c Remembering
12. Whichcofcthecfollowingcdiseasescaccountscforcmorecthanchalfcofcallchumancmortality?
a. cardiovascularcdisease d. microbialcdisease
b. cancer e. strokes
c. accidents
ANS:c D DIF: Easy REF:c c 1.2 TOP:c II.A
MSC:c Remembering
13. Whichccenturyciscknowncascthecgoldencagecofcmicrobiology?
a. thecseventeenth d. thectwentieth
b. theceighteenth e. thectwenty-first
c. thecnineteenth
ANS:c C DIF: Easy REF:c c 1.2 TOP:c II.A
MSC:c Remembering
14. AllcofcthecfollowingchavecbeencfoundcincmummiescandctombcartcEXCEPT:
a. tuberculosis d. smallpox
b. polio e. AIDS
c. leprosy
ANS:c E DIF: Medium REF:c c 1.2 TOP:c II.A.i
MSC:c Remembering
15. HowcdidcEuropeancinvadersctocNorthcAmericackillcmuchcofcthecnativecpopulation?
a. tuberculosis d. HIV
b. leprosy e. buboniccplague
c. smallpox
ANS:c C DIF: Medium REF:c c 1.2 TOP:c II.A.i
MSC:c Remembering
16. Nightingale:
a. iscbettercknowncascthecfoundercofcprofessionalcnursing
b. wascthecfirstctocusecdisinfectantctocdemonstratecthecsignificancecofcasepticctechnique
c. developedcthecpiecchartcofcmortalitycdatacduringcthecCrimeancWar
d. performedcthecfirstccontrolledcexperimentconcthecchemicalcconversioncofcmatter,cknown
todaycascchemotherapy
e. allcofcthecabove
ANS:c A DIF: Easy REF:c c 1.2 TOP:c II.A.ii
MSC:c Remembering
17. Whocdevelopedcthecconceptcofcmedicalcstatistics?
a. FranciscCrick d. LouiscPasteur
b. FlorencecNightingale e. AlexandercFleming
c. EdwardcJenner
, ANS:c B DIF: Easy REF:c c 1.2 TOP:c II.A.ii
MSC:c Remembering