Test Bank for Microbiology, 5th Edition, Joan L Slonczewski, John W Foster, Erik R

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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MULTIPLEnCHOICE

1. Virusesnare:
a. infectiousnagentsnthatninfectnmulti-cellularnorganisms
b. noncellularnparticlesnthatntakenovernthenmetabolismnofnancellntongeneratenmorenvirusnparti
cles
c. pathogensnthatnreplicateninncomplexngrowthnmedia
d. cellularnparticlesnthatnbelongntonthenarchaeandomain
e. microbesnthatnconsistnofnlipidnmembranenenclosedngenomes
ANS:n B DIF: Easy REF:nnn1.1 TOP:n I.An|nI.B
MSC:n Remembering

2. AnalysisnofnDNAnsequencesnreveals:
a. thenancientnconvergencenofntwoncellntypes,ni.e.,nprokaryotesnandneukaryotes
b. prokaryotesnandneukaryotesnevolvednfromnancommonnancestralncell
c. thatnbacteriansharencommonnancestornwithnarchaea,nbutnnotnwithneukarya
d. prokaryotesnarencellsnwithnannucleus
e. thengenomenofnHaemophilusninfluenzaenhasnaboutn2nbillionnbasenpairs
ANS:n B DIF: Easy REF:nnn1.1 TOP:n I.An|nI.B
MSC:n Remembering

3. WhichnofnthesengroupsnarenconsideredntonbenmicrobesnbutnNOTnconsideredntonbencells?
a. viruses d. protists
b. bacteria e. filamentousnfungi
c. archaea
ANS:n A DIF: Easy REF:nnn1.1 TOP:n I.A.i
MSC:n Remembering

4. Anmicrobenisncommonlyndefinednas:
a. anvirusnthatnrequiresnanmicroscopentonbenseen
b. anbacteriumnthatnrequiresnanmicroscopentonbenseen
c. ansingle-cellularnprokaryotenthatnrequiresnanmicroscopentonbenseen
d. anmulticellularneukaryotenthatnrequiresnanmicroscopentonbenseen
e. anlivingnorganismnthatnrequiresnanmicroscopentonbenseen
ANS:n E DIF: Easy REF:nnn1.1 TOP:n I.A.in|nI.A.ii
MSC:n Remembering

5. WhichnonenofnthenfollowingnstatementsnregardingnmicrobialncellsnisnNOTntrue?
a. Microbialncellsnacquirenfood,ngainnenergyntonbuildnthemselves,nandnrespondnto
environmentalnchange.

, b. Mostnsingle-cellednorganismsnrequirenanmicroscopentonrendernthemnvisible,nbutnsome
bacterialncellsnarenlargenenoughntonbenseennwithnnakedneyes.
c. Microbesnfunctionnasnindividualnentities.
d. Manynmicrobesnformncomplexnmulticellularnassemblages.
e. Virusesnarennotnconsiderednasnmicrobialncells.
ANS:n C DIF: Easy REF:nnn1.1 TOP:n I.A.in|nI.A.ii
MSC:n Remembering

6. WhichnofnthenfollowingnstatementsnisnFALSE?
a. Angenomenisnthentotalngeneticninformationncontainedninnannorganism’snchromosomalnDNA.
b. Ifnanmicrobe’sngenomenincludesngenesnfornnitrogenase,nthatnmicrobenprobablyncannfixnnitrogen.

c. ByncomparingnDNAnsequencesnofndifferentnorganisms,nwencannfigurenoutnhownclosely
relatedntheynare.
d. FrednSangerndevelopednthenfirstnapplicablenDNAnsequencingnmethod.
e. FrednSangerncompletednthensequencesnofnHaemophilusninfluenzae.
ANS:n E DIF: Easy REF:nnn1.1 TOP:n I.B
MSC:n Remembering

7. Thenfirstncellularngenomesntonbensequencednwerenthosenof:
a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS:n B DIF: Easy REF:nnn1.1 TOP:n I.B.i
MSC:n Remembering

8. ThenenvironmentnofnearlynEarthnmaynhavencontainednallnofnthenfollowingnEXCEPT:
a. ferrousniron d. oxygen
b. methane e. hydrogenngas
c. ammonia
ANS:n D DIF: Easy
REF:nSpecialnTopicn1.1nTOP:n II.D
MSC:n Remembering

9. Thendevelopmentnofnthentheorynofnthen―RNAnworld‖nresultednfromnthendiscoverynof:
a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS:n D DIF: Medium
REF:nSpecialnTopicn1.1nTOP:n II.D
MSC:n Remembering

10. Whichnmicrobesnmaynresemblenthosenofnthenearliestnlifenforms?
a. archaea d. cyanobacteria
b. photosyntheticnalgae e. protists
c. viruses
ANS:n A DIF: Medium
REF:nSpecialnTopicn1.1nTOP:n II.D
MSC:n Remembering

11. Earlynmetabolismnmaynhavenbeenncatalyzednby:
a. DNA d. aminonacids
b. RNA e. carbohydrates