BIOCHEM ACS STUDY GUIDE
EachpoofpothepofollowingposubcellularpostructurespocontainspoDNApoEXCEPT
A.potheponucleus.po
B.poribosomes.
poC.pochloroplasts.
poD.pomitochondria.po-poans--B
Inpoplantpoandpoanimalpocells,pothepothree-dimensionalpointegritypoofpothepocell
poispomaintained,poinpopart,pobypoanpointernalponetworkpoofpofilamentspocalled
poA.pothepocellpowall.
poB.pothepoGolgipoapparatus.
poC.pothepocytoskeleton.
poD.pothepoendoplasmicporeticulum.po-poans--C
Ofpothepofollowing,powhichpoarepoprokaryotes?
A.povirusespo
B.pobacteriapo
C.poyeast
poD.poplantpocellspo-poans--B
G°poforpothepoconversionpoofpoglycerol-3-phosphatepotopoglycerolpo+poPipoispo-2.2pokcal/
mole.poThus,poyoupocanpoconcludepothat
A.pothisporeactionpowillpooccurpospontaneously.
B.pothisporeactionpomaypoorpomayponotpooccurpospontaneously,podependingpoonpothe
poactualpoconcentrationspoofporeactantspoandpoproducts.
C.pothisporeactionpowillpoonlypooccurpospontaneouslypoifpoitpoispocoupledpoto
anotherporeactionpothatpohaspoapomorepofavorablepoG°.
D.pothisporeactionpoisposopostronglypofavorablepothatpoitpocouldpobepocoupledpoto
podrivepoanpootherwisepounfavorablepocellporeaction.po-poans--B
Inpomostpobiochemicalporeactions,po∆PVpois
A.ponegligible
B.popositive
C.ponegative
D.podependentpoonpo∆Epo-poans--A
AccordingpotopothepoSecondpoLawpoofpoThermodymnamics,
,poA.pothepototalpoentropypochangepoinpoanyporeactionpothatpooccurspospontaneouslypomust
pobepogreaterpothanpo0.
poB.pothepototalpoentropypochangepoinpoanyporeactionpothatpooccurspospontaneouslypomust
pobepolesspothanpo0.
poC.pothepototalpoentropypoofpothepouniverseporemainspoconstant.
poD.pothepototalpoentropypoofpothepouniversepoispoalwayspodecreasing.po-poans--A
Whichpoofpothepofollowingpoispotrue?
poA.poLiquidpoandposolidpowaterpohavepotheposameponumberpoofpohydrogenpobondspoperpo
moleculepoofpowater
poB.poLiquidpowaterpohaspomorepohydrogenpobondspoperpomoleculepothanpodoesposolidpow
ater
poC.poSolidpowaterpohaspomorepohydrogenpobondspoperpomoleculepothanpodoespoliquidpow
ater
poD.poHydrogenpobondingpoispoapomajorpofactorpoinpothepostructurepoofpogaseouspowater
poE.poNonepoispotruepo-poans--C
WhatpoispothepopHpoofpoanpoaqueousposolutionpothatpohaspoapo[OH-]poofpo3.45poxpo10-
5poM?
poA.po3.47
poB.po4.47
poC.po5.53
poD.po9.54
poE.pononepoofpothepoabovepo-poans--D
Apopeptidepowaspofoundpotopohavepoapomolecularpomasspoofpoaboutpo650poandpouponpohy
drolysispoproducedpoAla,poCys,poLys,poPhe,poandpoValpoinpoapo1:1:1:1:1poratio.poThepopep
tidepouponpotreatmentpowithpoSanger'sporeagentpoproducedpoDNP-
Cyspoandpoexposurepotopocarboxypeptidasepoproducedpovaline.poChymotrypsinpotreatme
ntpoofpothepopeptidepoproducedpoapodipeptidepothatpocontainedposulfurpoandpohaspoapoUVp
oabsorbance,poandpoapotripeptide.poExposurepoofpothepopeptidepotopotrypsinpoproducedpoa
podipeptidepoandpoapotripeptide.poDeducepotheposequencepoofpothepopeptide.
poA.poVal-Ala-Lys-Phe-Cys
poB.poCys-Lys-Phe-Ala-Val
poC.poCys-Ala-Lys-Phe-Val
poD.poCys-Phe-Lys-Ala-Val
poE.poVal-Phe-Lys-Ala-Cyspo-poans--D
WhichpoaminopoacidpohaspoanpoR-grouppopKapoclosestpotopophysiologicalpopH?
poA.polysine
poB.pohistidine
poC.poglutamate
poD.poarginine
poE.poaspartatepo-poans--B
, WhichpoispotrueporegardingpothepoorientationpoofpothepoR-groupspoinpobetapostructures?
poA.poInpothepoparallelpobetaposheetpostructurespothepoaminopoacidpoR-
groupspoarepoallpoonpotheposameposidepoofpotheposheet.
poB.poInpothepoantiparallelpobetaposheetpostructurepothepoR-
groupspoonpoalternatepostrandspoarepoonpotheposameposidepoofpotheposheet.
poC.poInpoparallelpoandpoantiparallelposheetspoconsecutivepoR-
groupspoonpoeachpopeptidepostrandpoalternateposidespoofpotheposheet.
poD.poBecausepoofpothepofreeporotationpoaroundpothepoalphapocarbon,pothepoR-
groupspocanposeekpothepoleastpocrowdedporegionpoandpoareponotporestrictedpotopospecificp
osidepoofpotheposheet.
poE.poapoandpobpo-poans--C
Aporeagentpocommonlypoemployedpotopocleavepodisulfidepobondspoinpoproteinspois
poA.po2,4-dinitrofluorobenzene
poB.pourea
poC.po2-mercaptoethanol
poD.pophenylisothiocyanate
poE.pocyanogenpobromidepo-poans--C
Withporespectpotopoaporelaxedpomuscle,powhichpoofpothepofollowingpoispotrue?
poA.potheponumberpoofpoactin-myosinpocross-
bridgespoispomaximizedpoandpothepomusclepoisposhortened
poB.potheponumberpoofpoactin-
myosinpocrosspobridgespoispomaximizedpoandpothepomusclepoispostretched
poC.potheponumberpoofpoactin-
myosinpocrosspobridgespoispominimizedpoandpothepomusclepoisposhortened
poD.potheponumberpoofpoactin-
myosinpocrosspobridgespoispominimizedpoandpothepomusclepoispostretched
poE.pononepoofpothepoabovepo-poans--D
Whichpoofpothepofollowingpodoesponotpodescribepohemoglobin?
poA.poHemoglobinpoispoanpooxygenpotransportpoprotein.
poB.poHemoglobinpoispoanpoallostericpoprotein.
poC.poHemoglobinpohaspoquaternarypostructure.
poD.poCopperpoionspoarepoimportantpoinpohemoglobin'spoabilitypotopobindpooxygen.
poE.poHemoglobinpoispocomposed,poinpopart,poofpoanpoironpocontainingpohemepogroup.po-
poans--D
Whichpoofpothepofollowingpowouldpoallowpoyoupotopodeterminepothepoisoelectric
popointpoofpoapoprotein?
poA.poproteinpoquaternarypostructure
poB.poproteinposolubilitypoaspoapofunctionpoofpopH
poC.poproteinposize
poD.poproteinposhape
poE.poproteinpotertiarypostructurepo-poans--B
EachpoofpothepofollowingposubcellularpostructurespocontainspoDNApoEXCEPT
A.potheponucleus.po
B.poribosomes.
poC.pochloroplasts.
poD.pomitochondria.po-poans--B
Inpoplantpoandpoanimalpocells,pothepothree-dimensionalpointegritypoofpothepocell
poispomaintained,poinpopart,pobypoanpointernalponetworkpoofpofilamentspocalled
poA.pothepocellpowall.
poB.pothepoGolgipoapparatus.
poC.pothepocytoskeleton.
poD.pothepoendoplasmicporeticulum.po-poans--C
Ofpothepofollowing,powhichpoarepoprokaryotes?
A.povirusespo
B.pobacteriapo
C.poyeast
poD.poplantpocellspo-poans--B
G°poforpothepoconversionpoofpoglycerol-3-phosphatepotopoglycerolpo+poPipoispo-2.2pokcal/
mole.poThus,poyoupocanpoconcludepothat
A.pothisporeactionpowillpooccurpospontaneously.
B.pothisporeactionpomaypoorpomayponotpooccurpospontaneously,podependingpoonpothe
poactualpoconcentrationspoofporeactantspoandpoproducts.
C.pothisporeactionpowillpoonlypooccurpospontaneouslypoifpoitpoispocoupledpoto
anotherporeactionpothatpohaspoapomorepofavorablepoG°.
D.pothisporeactionpoisposopostronglypofavorablepothatpoitpocouldpobepocoupledpoto
podrivepoanpootherwisepounfavorablepocellporeaction.po-poans--B
Inpomostpobiochemicalporeactions,po∆PVpois
A.ponegligible
B.popositive
C.ponegative
D.podependentpoonpo∆Epo-poans--A
AccordingpotopothepoSecondpoLawpoofpoThermodymnamics,
,poA.pothepototalpoentropypochangepoinpoanyporeactionpothatpooccurspospontaneouslypomust
pobepogreaterpothanpo0.
poB.pothepototalpoentropypochangepoinpoanyporeactionpothatpooccurspospontaneouslypomust
pobepolesspothanpo0.
poC.pothepototalpoentropypoofpothepouniverseporemainspoconstant.
poD.pothepototalpoentropypoofpothepouniversepoispoalwayspodecreasing.po-poans--A
Whichpoofpothepofollowingpoispotrue?
poA.poLiquidpoandposolidpowaterpohavepotheposameponumberpoofpohydrogenpobondspoperpo
moleculepoofpowater
poB.poLiquidpowaterpohaspomorepohydrogenpobondspoperpomoleculepothanpodoesposolidpow
ater
poC.poSolidpowaterpohaspomorepohydrogenpobondspoperpomoleculepothanpodoespoliquidpow
ater
poD.poHydrogenpobondingpoispoapomajorpofactorpoinpothepostructurepoofpogaseouspowater
poE.poNonepoispotruepo-poans--C
WhatpoispothepopHpoofpoanpoaqueousposolutionpothatpohaspoapo[OH-]poofpo3.45poxpo10-
5poM?
poA.po3.47
poB.po4.47
poC.po5.53
poD.po9.54
poE.pononepoofpothepoabovepo-poans--D
Apopeptidepowaspofoundpotopohavepoapomolecularpomasspoofpoaboutpo650poandpouponpohy
drolysispoproducedpoAla,poCys,poLys,poPhe,poandpoValpoinpoapo1:1:1:1:1poratio.poThepopep
tidepouponpotreatmentpowithpoSanger'sporeagentpoproducedpoDNP-
Cyspoandpoexposurepotopocarboxypeptidasepoproducedpovaline.poChymotrypsinpotreatme
ntpoofpothepopeptidepoproducedpoapodipeptidepothatpocontainedposulfurpoandpohaspoapoUVp
oabsorbance,poandpoapotripeptide.poExposurepoofpothepopeptidepotopotrypsinpoproducedpoa
podipeptidepoandpoapotripeptide.poDeducepotheposequencepoofpothepopeptide.
poA.poVal-Ala-Lys-Phe-Cys
poB.poCys-Lys-Phe-Ala-Val
poC.poCys-Ala-Lys-Phe-Val
poD.poCys-Phe-Lys-Ala-Val
poE.poVal-Phe-Lys-Ala-Cyspo-poans--D
WhichpoaminopoacidpohaspoanpoR-grouppopKapoclosestpotopophysiologicalpopH?
poA.polysine
poB.pohistidine
poC.poglutamate
poD.poarginine
poE.poaspartatepo-poans--B
, WhichpoispotrueporegardingpothepoorientationpoofpothepoR-groupspoinpobetapostructures?
poA.poInpothepoparallelpobetaposheetpostructurespothepoaminopoacidpoR-
groupspoarepoallpoonpotheposameposidepoofpotheposheet.
poB.poInpothepoantiparallelpobetaposheetpostructurepothepoR-
groupspoonpoalternatepostrandspoarepoonpotheposameposidepoofpotheposheet.
poC.poInpoparallelpoandpoantiparallelposheetspoconsecutivepoR-
groupspoonpoeachpopeptidepostrandpoalternateposidespoofpotheposheet.
poD.poBecausepoofpothepofreeporotationpoaroundpothepoalphapocarbon,pothepoR-
groupspocanposeekpothepoleastpocrowdedporegionpoandpoareponotporestrictedpotopospecificp
osidepoofpotheposheet.
poE.poapoandpobpo-poans--C
Aporeagentpocommonlypoemployedpotopocleavepodisulfidepobondspoinpoproteinspois
poA.po2,4-dinitrofluorobenzene
poB.pourea
poC.po2-mercaptoethanol
poD.pophenylisothiocyanate
poE.pocyanogenpobromidepo-poans--C
Withporespectpotopoaporelaxedpomuscle,powhichpoofpothepofollowingpoispotrue?
poA.potheponumberpoofpoactin-myosinpocross-
bridgespoispomaximizedpoandpothepomusclepoisposhortened
poB.potheponumberpoofpoactin-
myosinpocrosspobridgespoispomaximizedpoandpothepomusclepoispostretched
poC.potheponumberpoofpoactin-
myosinpocrosspobridgespoispominimizedpoandpothepomusclepoisposhortened
poD.potheponumberpoofpoactin-
myosinpocrosspobridgespoispominimizedpoandpothepomusclepoispostretched
poE.pononepoofpothepoabovepo-poans--D
Whichpoofpothepofollowingpodoesponotpodescribepohemoglobin?
poA.poHemoglobinpoispoanpooxygenpotransportpoprotein.
poB.poHemoglobinpoispoanpoallostericpoprotein.
poC.poHemoglobinpohaspoquaternarypostructure.
poD.poCopperpoionspoarepoimportantpoinpohemoglobin'spoabilitypotopobindpooxygen.
poE.poHemoglobinpoispocomposed,poinpopart,poofpoanpoironpocontainingpohemepogroup.po-
poans--D
Whichpoofpothepofollowingpowouldpoallowpoyoupotopodeterminepothepoisoelectric
popointpoofpoapoprotein?
poA.poproteinpoquaternarypostructure
poB.poproteinposolubilitypoaspoapofunctionpoofpopH
poC.poproteinposize
poD.poproteinposhape
poE.poproteinpotertiarypostructurepo-poans--B
