WGUC785
FinalExam
Q&A
LatestVersion
2025/26
,WGULC785LFINALLEXAML2025L(100%LCORRECT
)
WGU C785 FINAL EXAM 2025 (100% CORRECT)
WhatLisLtheLbasicLstructureLofLanLaminoLacid?LWhatLdoLtheyLlookLlike?L-
LcorrectLanswerLaminoLgroupL(NH2LorLNH3),LcarboxylLgroupL(COOLorLCOOH),LalphaLc
arbonL(C),LandLvariableLgroup
HowLdoLyouLidentifyLtheL3LdifferentLtypesLofLsideLchains:Lnon-
polar/hydrophobic,Lpolar,LandLcharged?L-LcorrectLanswerLNon-polar/hydrophobicL-
LendLwithLCHLorL"can'tLhave"Lwater.LPolarL-LendLwithLOH,LSH,LorLNH.LChargedL-
LendLwithLaLcharge
whatLkindsLofLbondsLdoLeachLofLtheL3LdifferentLtypesLofLsideLchainsLmake?L-
LcorrectLanswer ionic,Lhydrophobic/non-polar,Lcharged
WhatLareLtheL4LlevelsLofLproteinLstructure?L-LcorrectLanswerLPrimaryL-
LlinearLstructure,LSecondaryL-
LFoldedLintoLhelixLorLpleatedLsheetLcausedLbyLhydrogenLbonding,LtertiaryL-
L3DLstructureLcausedLbyLsideLchainLinteractions,LquaternaryL-
L1+LaminoLacidLchainsLcombineL=LmultipleLsubunitsLMUSTLhaveL1+Lsubunit
WhatLenviormentalLchangeLbreaksLeachLtypeLofLbond?L-
LcorrectLanswerLhydrophobicL-LtemperatureLchange,LionicL-
LsaltLorLdecreasedLpH,LhydrogenL-Ltemperature,LchangeLinLpH,LdisulfideL-
LreducingLagents
whatLtypeLofLaminoLacidLsideLchainLleadsLtoLproteinLaggregration?L-
LcorrectLanswerLhydrophobicLbonds
howLdoLenvironmentalLchangesLaffectLproteinLfolding?L-LcorrectLanswer
Extreme
LtempLcanLcauseLhydrogenLbondsLtoLbreakLapartL=LmalformationLofLproteinLfolding
howLdoLmutationsLaffectLproteinLstructure?L-
LcorrectLanswerLCanLcauseLstructureLtoLchange.LProteinLlosesLformL=LlosesLfunction.LM
ayLformLaLdifferentLprotein.
WhatLisLanLelectron?L-
LcorrectLanswerLNegativelyLchargedLatomLonLouterLringLforLbonding
WhatLisLenergy:L-LcorrectLanswerL PowerLderivedLfroLchemicalLinteraction
whatLareLcovalentLbonds?L-
LcorrectLanswerLchemicalLbond,LatomsLshareL1+LvalenceLelectrons
whatLisLanLionicLbond?L-LcorrectLanswerL bondLbetweenLpositiveLandLnegative
whatLisLaLhydrogenLbond?L-LcorrectLanswerLweakLbondLbetweenLpositiveLandLnegative
, WGULC785LFINALLEXAML2025L(100%LCORRECT
)
withLanLamino?L-LcorrectLanswerL pieceLofLaminoLacid,LNH2LorLNH3
whatLisLaLcarboyxl?L-LcorrectLanswerL pieceLofLaminoLacid,LCOOLorLCOOH
WhatLisLhydrophobic?L-LcorrectLanswer Doesn'tLlikeLwater,LendLwithLCH
whatLisLhydrophilic?L-LcorrectLanswerL WaterLloving,LendLwithLOH,LNH,LorLSH
whatLisLdisulfideLbond?L-LcorrectLanswer
strongestLbondLbetweenLreductionLagents,L
formedLbetweenLSH's.
whatLareLzwitterions?L-LcorrectLanswer
aminoLwithLpositiveLandLnegativeLchargesL=L
overallLchargeLofLzero
whatLisLaLpolypeptideL-LcorrectLanswerL polymerLofLaminoLacids
WhatLisLdehydrationLsynthesis?L-LcorrectLanswer ProcessLofLformingLpeptideLbonds
whatLisLhydrolysis?L-LcorrectLanswerL addingLwaterLtoLdestroyLbonds
whatLisLanLalphaLhelix?L-LcorrectLanswer
twistedLsecondaryLstructure,LformedLbyL
hydrogenLbonds
whatLisLaLbetaLsheet?L-LcorrectLanswer
foldedLsecondLstructureLshape,LformedLbyL
hydrogenLbonds
whatLisLdenaturation?L-LcorrectLanswer
lossLofLshapeLduetLoLinterruptionLofLchemicalL
bonds;LoccursLviaLextremeLsalt,Ltemp,LpH
whatLisLaggregation?L-
LcorrectLanswerLclumpingLofLinnerLorLouterLcellularLproteinsLcausedLbyLmisfoldedLprotein
sLleadingLtoLdiseasesLsuchLasLAlzheimers,LALS,LParkinson's
howLdoLenzymesLcatalyzeLreactions?L-
LcorrectLanswerLbindLwithLsubstratesLtoLdecreaseLactivationLenergyLrequiredLandLdecre
aseLreactionLrate
howLdoLenzymesLaffectLreactionLrateLandLactivationLenergy?L-
LcorrectLanswerLdecreaseLactivationLenergyLandLdecreaseLreactionLrate
whatLareLtheL4LstepsLofLtheLenzymaticLcycle?L-LcorrectLanswer
enzymeLrecognizes
substrate,LsubstrateLattractsLtheLenzyme;Lenzyme-
L
substrateLcomplexLisLformed;Lenzyme-
productLcomplexLformed;LproductLisLreleased,LenzymeLrecycled
howLdoLenvironmentalLchangesLaffectLenzymes?L-
LcorrectLanswerLHighLheat,LpHLchange,LhighLsaltLconcentration,LandLreducingLagentsL
canLcauseLanLenzymeLtoLloseLitsLform/loseLfunction
FinalExam
Q&A
LatestVersion
2025/26
,WGULC785LFINALLEXAML2025L(100%LCORRECT
)
WGU C785 FINAL EXAM 2025 (100% CORRECT)
WhatLisLtheLbasicLstructureLofLanLaminoLacid?LWhatLdoLtheyLlookLlike?L-
LcorrectLanswerLaminoLgroupL(NH2LorLNH3),LcarboxylLgroupL(COOLorLCOOH),LalphaLc
arbonL(C),LandLvariableLgroup
HowLdoLyouLidentifyLtheL3LdifferentLtypesLofLsideLchains:Lnon-
polar/hydrophobic,Lpolar,LandLcharged?L-LcorrectLanswerLNon-polar/hydrophobicL-
LendLwithLCHLorL"can'tLhave"Lwater.LPolarL-LendLwithLOH,LSH,LorLNH.LChargedL-
LendLwithLaLcharge
whatLkindsLofLbondsLdoLeachLofLtheL3LdifferentLtypesLofLsideLchainsLmake?L-
LcorrectLanswer ionic,Lhydrophobic/non-polar,Lcharged
WhatLareLtheL4LlevelsLofLproteinLstructure?L-LcorrectLanswerLPrimaryL-
LlinearLstructure,LSecondaryL-
LFoldedLintoLhelixLorLpleatedLsheetLcausedLbyLhydrogenLbonding,LtertiaryL-
L3DLstructureLcausedLbyLsideLchainLinteractions,LquaternaryL-
L1+LaminoLacidLchainsLcombineL=LmultipleLsubunitsLMUSTLhaveL1+Lsubunit
WhatLenviormentalLchangeLbreaksLeachLtypeLofLbond?L-
LcorrectLanswerLhydrophobicL-LtemperatureLchange,LionicL-
LsaltLorLdecreasedLpH,LhydrogenL-Ltemperature,LchangeLinLpH,LdisulfideL-
LreducingLagents
whatLtypeLofLaminoLacidLsideLchainLleadsLtoLproteinLaggregration?L-
LcorrectLanswerLhydrophobicLbonds
howLdoLenvironmentalLchangesLaffectLproteinLfolding?L-LcorrectLanswer
Extreme
LtempLcanLcauseLhydrogenLbondsLtoLbreakLapartL=LmalformationLofLproteinLfolding
howLdoLmutationsLaffectLproteinLstructure?L-
LcorrectLanswerLCanLcauseLstructureLtoLchange.LProteinLlosesLformL=LlosesLfunction.LM
ayLformLaLdifferentLprotein.
WhatLisLanLelectron?L-
LcorrectLanswerLNegativelyLchargedLatomLonLouterLringLforLbonding
WhatLisLenergy:L-LcorrectLanswerL PowerLderivedLfroLchemicalLinteraction
whatLareLcovalentLbonds?L-
LcorrectLanswerLchemicalLbond,LatomsLshareL1+LvalenceLelectrons
whatLisLanLionicLbond?L-LcorrectLanswerL bondLbetweenLpositiveLandLnegative
whatLisLaLhydrogenLbond?L-LcorrectLanswerLweakLbondLbetweenLpositiveLandLnegative
, WGULC785LFINALLEXAML2025L(100%LCORRECT
)
withLanLamino?L-LcorrectLanswerL pieceLofLaminoLacid,LNH2LorLNH3
whatLisLaLcarboyxl?L-LcorrectLanswerL pieceLofLaminoLacid,LCOOLorLCOOH
WhatLisLhydrophobic?L-LcorrectLanswer Doesn'tLlikeLwater,LendLwithLCH
whatLisLhydrophilic?L-LcorrectLanswerL WaterLloving,LendLwithLOH,LNH,LorLSH
whatLisLdisulfideLbond?L-LcorrectLanswer
strongestLbondLbetweenLreductionLagents,L
formedLbetweenLSH's.
whatLareLzwitterions?L-LcorrectLanswer
aminoLwithLpositiveLandLnegativeLchargesL=L
overallLchargeLofLzero
whatLisLaLpolypeptideL-LcorrectLanswerL polymerLofLaminoLacids
WhatLisLdehydrationLsynthesis?L-LcorrectLanswer ProcessLofLformingLpeptideLbonds
whatLisLhydrolysis?L-LcorrectLanswerL addingLwaterLtoLdestroyLbonds
whatLisLanLalphaLhelix?L-LcorrectLanswer
twistedLsecondaryLstructure,LformedLbyL
hydrogenLbonds
whatLisLaLbetaLsheet?L-LcorrectLanswer
foldedLsecondLstructureLshape,LformedLbyL
hydrogenLbonds
whatLisLdenaturation?L-LcorrectLanswer
lossLofLshapeLduetLoLinterruptionLofLchemicalL
bonds;LoccursLviaLextremeLsalt,Ltemp,LpH
whatLisLaggregation?L-
LcorrectLanswerLclumpingLofLinnerLorLouterLcellularLproteinsLcausedLbyLmisfoldedLprotein
sLleadingLtoLdiseasesLsuchLasLAlzheimers,LALS,LParkinson's
howLdoLenzymesLcatalyzeLreactions?L-
LcorrectLanswerLbindLwithLsubstratesLtoLdecreaseLactivationLenergyLrequiredLandLdecre
aseLreactionLrate
howLdoLenzymesLaffectLreactionLrateLandLactivationLenergy?L-
LcorrectLanswerLdecreaseLactivationLenergyLandLdecreaseLreactionLrate
whatLareLtheL4LstepsLofLtheLenzymaticLcycle?L-LcorrectLanswer
enzymeLrecognizes
substrate,LsubstrateLattractsLtheLenzyme;Lenzyme-
L
substrateLcomplexLisLformed;Lenzyme-
productLcomplexLformed;LproductLisLreleased,LenzymeLrecycled
howLdoLenvironmentalLchangesLaffectLenzymes?L-
LcorrectLanswerLHighLheat,LpHLchange,LhighLsaltLconcentration,LandLreducingLagentsL
canLcauseLanLenzymeLtoLloseLitsLform/loseLfunction