Module 2 Exam Portage Learning Microbio
171 BIOD Questions and Answers 2025-2026
TrueAorAfalse:AmetabolismAisAaAcontrolledAsetAofAbiochemicalAreactionsAthatAoccurAinAlivingA
organismsAinAorderAtoAmaintainAlife.A-ACORRECTAANSWERSA-True
TrueAorAfalse:AenzymesAslowAdownAchemicalAreactionsAtoAconserveAenergyA-
ACORRECTAANSWERSA-false,AtheyAspeedAupA(catalyze)AchemicalAreactions
TheAtermAforAmetalAionsAthatAassistAenzymesAduringAtheAcatalysisAreactionA-
ACORRECTAANSWERSA-cofactors
WhatAisAcatabolism?A-ACORRECTAANSWERSA-
TheAprocessAofAbreakingAdownAlargerAmoleculesAintoAusefulAenergyAsources
UponAcellularAinjury,AwhichAmetabolicAprocessAisAinvolvedAduringAtheAgrowthAandArepairAphasesA
ofAtheAcell.A-ACORRECTAANSWERSA-anabolism
AnAorganismAthatAobtainsAitsAenergyA(derivesAATP)AfromAphotonsAofAlightAisAcalledAaA_________
_________A-ACORRECTAANSWERSA-phototrophicAmicroorganism
AnAorganismAthatAderivesAitsAenergyAbyAremovingAelectronsAfromAelementalAsulfurAwouldAbeAclas
sifiedAasAaA____________A-ACORRECTAANSWERSA-Lithotroph
DescribeAtheAenergyAtransferAprocessArelativeAtoAbothAADPAandAATPA-ACORRECTAANSWERSA-
ATPAhasAtheAenergyA(phosphateAgroup)AtoAdonate,AandAADPAcanAacceptAenergyAinAtheAformAofAaA
phosphateAgroup.AThus,AATPAcanAbeAdephosphorylatedA(ATP-----
>AADPA+APi),AwhileAADPAcanAbeAdephosphorylatedAintoAATPA(ADPA+APiA----->AATP)
ThisAphosphorylationAprocessAoccursAinAtheAmitochondriaAofAchemotropicAeukaryotesA-
ACORRECTAANSWERSA-oxidativeAphosphorylation
TheAcatabolismAofAaAsingleAmoleculeAofAglucoseAgoesAthroughAwhatAthreeAtransitionsA-
ACORRECTAANSWERSA-
TheAbreakdownAofAglucoseAgoesAthroughA1.AglycolysisA2.AfermentationAorArespirationAandAthenA3.
AelectronAtransportAchainAETC
TrueAorAfalse:AinAtheAabsenceAofAabsenceAofAoxygenAfermentationAproducesA2AATPA-
ACORRECTAANSWERSA-false
whatAisAtheAprimaryAbyproductAofAtheATCAAcycleAselectA-ACORRECTAANSWERSA-
NADHAandAFADH2
TrueAorAfalse:AinAtheAabsenceAofAoxygenAfermentationAproducesA2AATPA-
ACORRECTAANSWERSA-False,AitAdoesAnotAproduceAanyAadditionalAATP
TrueAorAfalse:AtheAreactantsAofAtheATCAAcycleAdirectlyAenterAandAfuelAtheAelectronAtransportAsyste
mA-ACORRECTAANSWERSA-False
WhatAareAtheAmainAtwoArolesAofAglucoseA6A-AphosphateAinAtheAcell?A-ACORRECTAANSWERSA-
G6PA1.ApreventsAglucoseAfromAdiffusingAoutAofAtheAcellAandA2.AservesAasAaAsignalAmoleculeAtoAthe
AcellAthatAglycolysisAisAaboutAtoAbegin.
WhatAisAtheAmostAenergeticAtransitionAinAtheAcatabolismAofAglucose?A-ACORRECTAANSWERSA-
TheAETCAyieldsA34AATPAwhileAbothAglycolysisAandAfermentationA(orArespiration)AyieldAonlyA2AA
TP
TheAreactantsAofAtheAchemicalAequationAareAtoAtheA_____AofAtheAarrowA-
ACORRECTAANSWERSA-left
171 BIOD Questions and Answers 2025-2026
TrueAorAfalse:AmetabolismAisAaAcontrolledAsetAofAbiochemicalAreactionsAthatAoccurAinAlivingA
organismsAinAorderAtoAmaintainAlife.A-ACORRECTAANSWERSA-True
TrueAorAfalse:AenzymesAslowAdownAchemicalAreactionsAtoAconserveAenergyA-
ACORRECTAANSWERSA-false,AtheyAspeedAupA(catalyze)AchemicalAreactions
TheAtermAforAmetalAionsAthatAassistAenzymesAduringAtheAcatalysisAreactionA-
ACORRECTAANSWERSA-cofactors
WhatAisAcatabolism?A-ACORRECTAANSWERSA-
TheAprocessAofAbreakingAdownAlargerAmoleculesAintoAusefulAenergyAsources
UponAcellularAinjury,AwhichAmetabolicAprocessAisAinvolvedAduringAtheAgrowthAandArepairAphasesA
ofAtheAcell.A-ACORRECTAANSWERSA-anabolism
AnAorganismAthatAobtainsAitsAenergyA(derivesAATP)AfromAphotonsAofAlightAisAcalledAaA_________
_________A-ACORRECTAANSWERSA-phototrophicAmicroorganism
AnAorganismAthatAderivesAitsAenergyAbyAremovingAelectronsAfromAelementalAsulfurAwouldAbeAclas
sifiedAasAaA____________A-ACORRECTAANSWERSA-Lithotroph
DescribeAtheAenergyAtransferAprocessArelativeAtoAbothAADPAandAATPA-ACORRECTAANSWERSA-
ATPAhasAtheAenergyA(phosphateAgroup)AtoAdonate,AandAADPAcanAacceptAenergyAinAtheAformAofAaA
phosphateAgroup.AThus,AATPAcanAbeAdephosphorylatedA(ATP-----
>AADPA+APi),AwhileAADPAcanAbeAdephosphorylatedAintoAATPA(ADPA+APiA----->AATP)
ThisAphosphorylationAprocessAoccursAinAtheAmitochondriaAofAchemotropicAeukaryotesA-
ACORRECTAANSWERSA-oxidativeAphosphorylation
TheAcatabolismAofAaAsingleAmoleculeAofAglucoseAgoesAthroughAwhatAthreeAtransitionsA-
ACORRECTAANSWERSA-
TheAbreakdownAofAglucoseAgoesAthroughA1.AglycolysisA2.AfermentationAorArespirationAandAthenA3.
AelectronAtransportAchainAETC
TrueAorAfalse:AinAtheAabsenceAofAabsenceAofAoxygenAfermentationAproducesA2AATPA-
ACORRECTAANSWERSA-false
whatAisAtheAprimaryAbyproductAofAtheATCAAcycleAselectA-ACORRECTAANSWERSA-
NADHAandAFADH2
TrueAorAfalse:AinAtheAabsenceAofAoxygenAfermentationAproducesA2AATPA-
ACORRECTAANSWERSA-False,AitAdoesAnotAproduceAanyAadditionalAATP
TrueAorAfalse:AtheAreactantsAofAtheATCAAcycleAdirectlyAenterAandAfuelAtheAelectronAtransportAsyste
mA-ACORRECTAANSWERSA-False
WhatAareAtheAmainAtwoArolesAofAglucoseA6A-AphosphateAinAtheAcell?A-ACORRECTAANSWERSA-
G6PA1.ApreventsAglucoseAfromAdiffusingAoutAofAtheAcellAandA2.AservesAasAaAsignalAmoleculeAtoAthe
AcellAthatAglycolysisAisAaboutAtoAbegin.
WhatAisAtheAmostAenergeticAtransitionAinAtheAcatabolismAofAglucose?A-ACORRECTAANSWERSA-
TheAETCAyieldsA34AATPAwhileAbothAglycolysisAandAfermentationA(orArespiration)AyieldAonlyA2AA
TP
TheAreactantsAofAtheAchemicalAequationAareAtoAtheA_____AofAtheAarrowA-
ACORRECTAANSWERSA-left