TEST BANK for Microbiology: An Evolving Science 5th Edition by Slonczewski & Foster; All 28 Chapters Covered, Verified Latest Edition

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,CHAPTERi1:iMicrobialiLife:iOriginiandiDiscovery

MULTIPLEiCHOICE

1. Virusesiare:
a. infectiousiagentsithatiinfectimulti-cellulariorganisms
b. noncellulariparticlesithatitakeioveritheimetabolismiofiaicellitoigenerateimoreivirusiparticle
s
c. pathogensithatireplicateiinicomplexigrowthimedia
d. cellulariparticlesithatibelongitoitheiarchaeaidomain
e. microbesithaticonsistiofilipidimembraneienclosedigenomes
ANS:i B DIF: Easy REF:iii1.1 TOP:i I.Ai|iI.B
MSC:i Remembering

2. AnalysisiofiDNAisequencesireveals:
a. theiancienticonvergenceiofitwoicellitypes,ii.e.,iprokaryotesiandieukaryotes
b. prokaryotesiandieukaryotesievolvedifromiaicommoniancestralicell
c. thatibacteriaishareicommoniancestoriwithiarchaea,ibutinotiwithieukarya
d. prokaryotesiareicellsiwithiainucleus
e. theigenomeiofiHaemophilusiinfluenzaeihasiabouti2ibillionibaseipairs
ANS:i B DIF: Easy REF:iii1.1 TOP:i I.Ai|iI.B
MSC:i Remembering

3. WhichiofitheseigroupsiareiconsidereditoibeimicrobesibutiNOTiconsidereditoibeicells?
a. viruses d. protists
b. bacteria e. filamentousifungi
c. archaea
ANS:i A DIF: Easy REF:iii1.1 TOP:i I.A.i
MSC:i Remembering

4. Aimicrobeiisicommonlyidefinedias:
a. aivirusithatirequiresiaimicroscopeitoibeiseen
b. aibacteriumithatirequiresiaimicroscopeitoibeiseen
c. aisingle-cellulariprokaryoteithatirequiresiaimicroscopeitoibeiseen
d. aimulticellularieukaryoteithatirequiresiaimicroscopeitoibeiseen
e. ailivingiorganismithatirequiresiaimicroscopeitoibeiseen
ANS:i E DIF: Easy REF:iii1.1 TOP:i I.A.ii|iI.A.ii
MSC:i Remembering

5. WhichioneiofitheifollowingistatementsiregardingimicrobialicellsiisiNOTitrue?
a. Microbialicellsiacquireifood,igainienergyitoibuildithemselves,iandirespondito
environmentalichange.

, b. Mostisingle-cellediorganismsirequireiaimicroscopeitoirenderithemivisible,ibutisome
bacterialicellsiareilargeienoughitoibeiseeniwithinakedieyes.
c. Microbesifunctioniasiindividualientities.
d. Manyimicrobesiformicompleximulticellulariassemblages.
e. Virusesiareinoticonsiderediasimicrobialicells.
ANS:i C DIF: Easy REF:iii1.1 TOP:i I.A.ii|iI.A.ii
MSC:i Remembering

6. WhichiofitheifollowingistatementsiisiFALSE?
a. Aigenomeiisitheitotaligeneticiinformationicontainediinianiorganism’sichromosomaliDNA.
b. Ifiaimicrobe’sigenomeiincludesigenesiforinitrogenase,ithatimicrobeiprobablyicanifixinitrogen.

c. ByicomparingiDNAisequencesiofidifferentiorganisms,iweicanifigureioutihowiclosely
relateditheyiare.
d. FrediSangeridevelopeditheifirstiapplicableiDNAisequencingimethod.
e. FrediSangericompleteditheisequencesiofiHaemophilusiinfluenzae.
ANS:i E DIF: Easy REF:iii1.1 TOP:i I.B
MSC:i Remembering

7. Theifirsticellularigenomesitoibeisequencediwereithoseiof:
a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS:i B DIF: Easy REF:iii1.1 TOP:i I.B.i
MSC:i Remembering

8. TheienvironmentiofiearlyiEarthimayihaveicontainedialliofitheifollowingiEXCEPT:
a. ferrousiiron d. oxygen
b. methane e. hydrogenigas
c. ammonia
ANS:i D DIF: Easy
REF:iSpecialiTopici1.1iTOP:i II.D
MSC:i Remembering

9. Theidevelopmentiofitheitheoryiofithei―RNAiworld‖iresultedifromitheidiscoveryiof:
a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS:i D DIF: Medium
REF:iSpecialiTopici1.1iTOP:i II.D
MSC:i Remembering

10. Whichimicrobesimayiresembleithoseiofitheiearliestilifeiforms?
a. archaea d. cyanobacteria
b. photosyntheticialgae e. protists
c. viruses
ANS:i A DIF: Medium
REF:iSpecialiTopici1.1iTOP:i II.D
MSC:i Remembering

11. Earlyimetabolismimayihaveibeenicatalyzediby:
a. DNA d. aminoiacids
b. RNA e. carbohydrates