Principles of Biochemistry, 5thEdition Test Bank By: Moran, Horton, Scrimgeour, Perry

TEST BANK R




PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
R R R R



LaurenceRMoran,RRobertRHorton,RGrayRScrimgeourR&RMarcRPerry

,PrinciplesRofRBiochemistry,R5thREditionRTestRBankRBy:RMoran,RHorton,RScrimgeour,RPerry



Contents:
ChapterR1 IntroductionRtoRBiochemistry 1
ChapterR2 Water 10
ChapterR3 AminoRAcidsRandRtheRPrimaryRStructuresRofRProteins 27
ChapterR4 Proteins:RThree-DimensionalRStructureRandRFunction 46
ChapterR5 PropertiesRofREnzymes 65
ChapterR6 MechanismsRofREnzymes 85
ChapterR7 CoenzymesRandRVitamins 104
ChapterR8 Carbohydrates 119
ChapterR9 LipidsRandRMembranes 137
ChapterR10 IntroductionRtoRMetabolism 153
ChapterR11 Glycolysis 169
ChapterR12 Gluconeogenesis,RTheRPentoseRPhosphateRPathway,
andRGlycogenRMetabolism 185
ChapterR13 TheRCitricRAcidRCycle 199
ChapterR14 ElectronRTransportRandROxidativeRPhosphorylation 213
ChapterR15 Photosynthesis 227
ChapterR16 LipidRMetabolism 241
ChapterR17 AminoRAcidRMetabolism 256
ChapterR18 NucleotideRMetabolism 269
ChapterR19 NucleicRAcids 284
ChapterR20 DNARReplication,RRepair,RandRRecombination 300
ChapterR21 TranscriptionRandRRNARProcessing 315
ChapterR22 ProteinRSynthesis 330
ChapterR23 RecombinantRDNARTechnology 348

,Chapter 1 Introduction to Biochemistry
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1) WhichRelementsRaccountRforR moreRthanR97%RofRtheRweightRofRmostRorganisms?
A) C,R H,RN,RMg,RO,R S
B) C,RH,RN,RO,RP,RS
C) C,RH,RN
D) Fe,RC,RH,RO,R P
E) Ca2+,RK+,RNa+,RMg2+,RCl-

Answer:R B
PageRRef:RSectionR2


2) ProteinsRinRbiologicalRmembranesRmayRbe
A) porous.
B) attachedRtoRtheRmembraneRsurface.
C) spanR theRmembrane.
D) AllRofRtheRabove
E) BRandRCRonly

Answer:R D
PageRRef:RSectionR3


3) WhichRstatementRaboutRcelluloseRisRfalse?
A) ItRisRtheRmostRabundantRpolysaccharideRinRnature.
B) ItsRmonomersRareRjoinedRbyRglycosidicRbonds.
C) ItRisRpresentRinRtheRstemsRofRfloweringRplants.
D) TheRhydroxylRgroupsRofRneighboringRcelluloseRmoleculesRinteractRtoRformRstrong,Rinsolu
bleRfibers.
E) ItRisRaRbranchedRpolymerRofRglucose.

Answer:R E
PageRRef:RSectionR3




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, 4) WhenRKeqRofRaRreactionR=R1,Rthen

A) theRforwardRreactionRisRfasterRthanRtheRreverseRreaction.
B) theRreverseR reactionRisRfasterRthanRtheRforwardRreaction.
C) theRforwardRandRreverseRreactionRrateRconstantsRareRequal.
D) moreRproductsRareR formedRthanR reactants.
E) fewerRproductsRareRformedRthanRreactants.

Answer:R C
PageRRef:RSectionR4


5) WhichRstatementRisRtrueRaboutRaR reactionRwithRanRequilibriumRconstant,RKeq,RequalRtoR1000?
A) TheRforwardRrateRconstantR isR1000RtimesRgreaterRthanRtheRreverseRrateRconstant.
B) TheRforwardRrateRconstantR isR3R timesRgreaterRthanRreverseRrateRconstant.
C) TheRforwardRrateRconstantR isR1000RtimesRsmallerRthanRtheRreverseRrateRconstant.
D) TheRforwardRrateRconstantR isR3R timesRsmallerRthanRtheRreverseRrateRconstant.
E) ThereRisRnotRenoughR informationRgivenRtoRcompareRtheRforwardRandRreverseRrateRconstants.

Answer:R A
PageRRef:RSectionR4


6) TheRstudyRofRtheRenergyR changesR duringRmetabolicRreactionsRisRcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalRheatR dynamics

Answer:R D
PageRRef:RSectionR4


7) ARspontaneousRchemicalRreactionRalwaysR hasRa change.
A) positiveRGibbʹsRfreeRenergy
B) negativeRGibbʹsRfreeRenergy
C) positiveRenthalpy
D) negativeRenthalpy
E) positiveRentropy

Answer:R B
PageRRef:RSectionR4




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