TEST BANK Microbiology An Evolving Science, 5th Edition, John Foster & Joan Slonczewski, All Chapter 1- 28

TEST BANK
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Microbiology An Evolving Science, 5th Edition,
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John Foster & Joan Slonczewski, All Chapter 1 - 28
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,CHAPTER 1: Microbial Life: Origin and Discovery
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MULTIPLEtCHOICE

1. Virusestare:
a. infectioustagentstthattinfecttmulti-cellulartorganisms
b. noncellulartparticlestthatttaketovertthetmetabolismtoftatcellttotgeneratetmoretvirustparticle
s
c. pathogenstthattreplicatetintcomplextgrowthtmedia
d. cellulartparticlestthattbelongttotthetarchaeatdomain
e. microbestthattconsisttoftlipidtmembranetenclosedtgenomes
ANS:t B DIF: Easy REF:ttt1.1 TOP:t I.At|tI.B
MSC:t Remembering

2. AnalysistoftDNAtsequencestreveals:
a. thetancienttconvergencetofttwotcellttypes,ti.e.,tprokaryotestandteukaryotes
b. prokaryotestandteukaryotestevolvedtfromtatcommontancestraltcell
c. thattbacteriatsharetcommontancestortwithtarchaea,tbuttnottwithteukarya
d. prokaryotestaretcellstwithtatnucleus
e. thetgenometoftHaemophilustinfluenzaethastaboutt2tbilliontbasetpairs
ANS:t B DIF: Easy REF:ttt1.1 TOP:t I.At|tI.B
MSC:t Remembering

3. WhichtoftthesetgroupstaretconsideredttotbetmicrobestbuttNOTtconsideredttotbetcells?
a. viruses d. protists
b. bacteria e. filamentoustfungi
c. archaea
ANS:t A DIF: Easy REF:ttt1.1 TOP:t I.A.i
MSC:t Remembering

4. Atmicrobetistcommonlytdefinedtas:
a. atvirustthattrequirestatmicroscopettotbetseen
b. atbacteriumtthattrequirestatmicroscopettotbetseen
c. atsingle-cellulartprokaryotetthattrequirestatmicroscopettotbetseen
d. atmulticellularteukaryotetthattrequirestatmicroscopettotbetseen
e. atlivingtorganismtthattrequirestatmicroscopettotbetseen
ANS:t E DIF: Easy REF:ttt1.1 TOP:t I.A.it|tI.A.ii
MSC:t Remembering

5. WhichtonetoftthetfollowingtstatementstregardingtmicrobialtcellstistNOTttrue?
a. Microbialtcellstacquiretfood,tgaintenergyttotbuildtthemselves,tandtrespondtto
environmentaltchange.

, b. Mosttsingle-celledtorganismstrequiretatmicroscopettotrendertthemtvisible,tbuttsome
bacterialtcellstaretlargetenoughttotbetseentwithtnakedteyes.
c. Microbestfunctiontastindividualtentities.
d. Manytmicrobestformtcomplextmulticellulartassemblages.
e. Virusestaretnottconsideredtastmicrobialtcells.
ANS:t C DIF: Easy REF:ttt1.1 TOP:t I.A.it|tI.A.ii
MSC:t Remembering

6. WhichtoftthetfollowingtstatementstistFALSE?
a. Atgenometistthettotaltgenetictinformationtcontainedtintantorganism’stchromosomaltDNA.
b. Iftatmicrobe’stgenometincludestgenestfortnitrogenase,tthattmicrobetprobablytcantfixtnitrogen.

c. BytcomparingtDNAtsequencestoftdifferenttorganisms,twetcantfiguretoutthowtclosely
relatedttheytare.
d. FredtSangertdevelopedtthetfirsttapplicabletDNAtsequencingtmethod.
e. FredtSangertcompletedtthetsequencestoftHaemophilustinfluenzae.
ANS:t E DIF: Easy REF:ttt1.1 TOP:t I.B
MSC:t Remembering

7. Thetfirsttcellulartgenomesttotbetsequencedtweretthosetof:
a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS:t B DIF: Easy REF:ttt1.1 TOP:t I.B.i
MSC:t Remembering

8. ThetenvironmenttoftearlytEarthtmaythavetcontainedtalltoftthetfollowingtEXCEPT:
a. ferroustiron d. oxygen
b. methane e. hydrogentgas
c. ammonia
ANS:t D DIF: Easy
REF:tSpecialtTopict1.1tTOP:t II.D
MSC:t Remembering

9. Thetdevelopmenttoftthettheorytoftthet―RNAtworld‖tresultedtfromtthetdiscoverytof:
a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS:t D DIF: Medium
REF:tSpecialtTopict1.1tTOP:t II.D
MSC:t Remembering

10. Whichtmicrobestmaytresembletthosetoftthetearliesttlifetforms?
a. archaea d. cyanobacteria
b. photosynthetictalgae e. protists
c. viruses
ANS:t A DIF: Medium
REF:tSpecialtTopict1.1tTOP:t II.D
MSC:t Remembering

11. Earlytmetabolismtmaythavetbeentcatalyzedtby:
a. DNA d. aminotacids
b. RNA e. carbohydrates