microbiofinalmcgrawhillquestions
examwithcorrectanswers
Plantsaredependentonmicroorganisms for
A)providingcomplexproteins
B)providingsimplecarbohydrates
C)providingoxygeninausableform
D)changingatmospheric nitrogentoausable form
E)providingwater-correct answer✔✔D
Identifywhichofthefollowingis/are eukaryotes:
1.Algae
2.Bacteria
3.Viruses
4.Prions
5.Protozoa-correct answer✔✔1,5
T/F:Virusesandbacteriaarebothbasedontheunitofacell.-correct answer✔✔false
WhichofthefollowingstatementsaboutbacteriaisFALSE?
A)mostbacteriaareactuallyhelpful,notharmful.
B)mostbacteriahavebeengrowninculture andcharacterized.
C)prokaryoticcellshaveanucleoidcontainingDNA.
D)yogurtcontainsmanybacterial cells.
E)bacterialcellwallscontainpeptidoglycan.-correct answer✔✔B
,Whichpairhasmembersthataremostsimilar inappearance?
A)algaeandarchaea
B)bacteriaandviruses
C)virusesandalgae
D)archaeaandbacteria
E)fungiandalgae-correct answer✔✔D
Microbesareuseful researchtoolsbecause
A)theyarecheapandeasytogrowinthelaboratory
B)theycanbegrowninlarge numberveryeasily
C)Allofthesesanswerchoicesarecorrect
D)theyusethesamemetabolicpathwaysaseukaryotic cells
E)theyarecheapandeasytogrowinthelaboratoryANDtheyarethesamemetabolicpathwaysas
eukaryotic cells-correct answer✔✔C
Microorganismsareinvolvedin
A)causingdisease
B)curing/treatingdisease
C)preparingfood
D)cleaninguppollutants
E)Alloftheseanswerchoicesarecorrect-correct answer✔✔E
Youareexaminingapeaplantthatisshowingsignsofdisease—brownleavesandnopeapods.You
isolate anagentfromtheplantthatonlycontainsRNAandprotein.Thisisa(n)
A)virus
B)viroid
,C)bacterium
D)protozoan
E)fungus-correct answer✔✔A
Whichofthefollowingisfoundonlyinbacteria?
A)ATP
B)phospholipids
C)chlorophyll
D)peptidoglycan
E)DNA-correct answer✔✔D
Ifyoudiscoveredanewprotozoan,towhichdomain(s)woulditbelong?
A)prokaryaorbacteria
B)prokarya
C)prokaryaorachaea
D)bacteriaandarchaea
E)eukarya-correct answer✔✔E
Theterminal electronacceptorinrespirationmaybe
A)NAD,oxygen,ORnitrate.
B)aninorganic molecule,water,ORoxygen.
C)oxygennitrate,ORaninorganic molecule.
D)NAD,nitrate,ORaninorganicmolecule.
E)NAD,water,ORaninorganic molecule.-correct answer✔✔C
Fermentation
, A)usesanorganicmolecule asthefinalelectronacceptorANDisnecessaryinsomeorganismsto
producereducedelectroncarriers.
B)resultsintheproductionofalarge amountofATP.
C)usesanorganicmoleculeasthefinalelectronacceptor.
D)usesaninorganic molecule asthefinalelectronacceptor.
E)isnecessaryinsomeorganismstoproducereducedelectroncarriers.-correct answer✔✔C
Protonmotiveforce
A)isusedtosynthesizeATP
B)isusedtoproduceNADH
C)isusedtosynthesize ADP
D)isusedtoproduceFADH2
E)usesADPandATP-correct answer✔✔A
Themostcommonstartingpathwayforthebreakdownofsugars
A)anabolism
B)fermentation
C)glycolysis
D)oxidation
E)respiration-correct answer✔✔C
WhathappenstothecarbonmoleculesinthepyruvicacidthatgoesthroughtheTCAcycle?
A)theyform"energystoringmolecules" forthecell
B)theyareexcretedaswasterorganicacids
C)theygetincorporatedintocellmaterial
D)theybecomephosphorylated
examwithcorrectanswers
Plantsaredependentonmicroorganisms for
A)providingcomplexproteins
B)providingsimplecarbohydrates
C)providingoxygeninausableform
D)changingatmospheric nitrogentoausable form
E)providingwater-correct answer✔✔D
Identifywhichofthefollowingis/are eukaryotes:
1.Algae
2.Bacteria
3.Viruses
4.Prions
5.Protozoa-correct answer✔✔1,5
T/F:Virusesandbacteriaarebothbasedontheunitofacell.-correct answer✔✔false
WhichofthefollowingstatementsaboutbacteriaisFALSE?
A)mostbacteriaareactuallyhelpful,notharmful.
B)mostbacteriahavebeengrowninculture andcharacterized.
C)prokaryoticcellshaveanucleoidcontainingDNA.
D)yogurtcontainsmanybacterial cells.
E)bacterialcellwallscontainpeptidoglycan.-correct answer✔✔B
,Whichpairhasmembersthataremostsimilar inappearance?
A)algaeandarchaea
B)bacteriaandviruses
C)virusesandalgae
D)archaeaandbacteria
E)fungiandalgae-correct answer✔✔D
Microbesareuseful researchtoolsbecause
A)theyarecheapandeasytogrowinthelaboratory
B)theycanbegrowninlarge numberveryeasily
C)Allofthesesanswerchoicesarecorrect
D)theyusethesamemetabolicpathwaysaseukaryotic cells
E)theyarecheapandeasytogrowinthelaboratoryANDtheyarethesamemetabolicpathwaysas
eukaryotic cells-correct answer✔✔C
Microorganismsareinvolvedin
A)causingdisease
B)curing/treatingdisease
C)preparingfood
D)cleaninguppollutants
E)Alloftheseanswerchoicesarecorrect-correct answer✔✔E
Youareexaminingapeaplantthatisshowingsignsofdisease—brownleavesandnopeapods.You
isolate anagentfromtheplantthatonlycontainsRNAandprotein.Thisisa(n)
A)virus
B)viroid
,C)bacterium
D)protozoan
E)fungus-correct answer✔✔A
Whichofthefollowingisfoundonlyinbacteria?
A)ATP
B)phospholipids
C)chlorophyll
D)peptidoglycan
E)DNA-correct answer✔✔D
Ifyoudiscoveredanewprotozoan,towhichdomain(s)woulditbelong?
A)prokaryaorbacteria
B)prokarya
C)prokaryaorachaea
D)bacteriaandarchaea
E)eukarya-correct answer✔✔E
Theterminal electronacceptorinrespirationmaybe
A)NAD,oxygen,ORnitrate.
B)aninorganic molecule,water,ORoxygen.
C)oxygennitrate,ORaninorganic molecule.
D)NAD,nitrate,ORaninorganicmolecule.
E)NAD,water,ORaninorganic molecule.-correct answer✔✔C
Fermentation
, A)usesanorganicmolecule asthefinalelectronacceptorANDisnecessaryinsomeorganismsto
producereducedelectroncarriers.
B)resultsintheproductionofalarge amountofATP.
C)usesanorganicmoleculeasthefinalelectronacceptor.
D)usesaninorganic molecule asthefinalelectronacceptor.
E)isnecessaryinsomeorganismstoproducereducedelectroncarriers.-correct answer✔✔C
Protonmotiveforce
A)isusedtosynthesizeATP
B)isusedtoproduceNADH
C)isusedtosynthesize ADP
D)isusedtoproduceFADH2
E)usesADPandATP-correct answer✔✔A
Themostcommonstartingpathwayforthebreakdownofsugars
A)anabolism
B)fermentation
C)glycolysis
D)oxidation
E)respiration-correct answer✔✔C
WhathappenstothecarbonmoleculesinthepyruvicacidthatgoesthroughtheTCAcycle?
A)theyform"energystoringmolecules" forthecell
B)theyareexcretedaswasterorganicacids
C)theygetincorporatedintocellmaterial
D)theybecomephosphorylated
