Test bank for Principles of Biochemistry 5th Edition by Moran, Horton, Scrimgeour, Perry

TEST BANK M




PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
M M M M



LaurenceMMoran,MRobertMHorton,MGrayMScrimgeourM&MMarcMPerry

,PrinciplesMofMBiochemistry,M5thMEditionMTestMBankMBy:MMoran,MHorton,MScrimgeour,MPerr
y



Contents:
ChapterM1 IntroductionMtoMBiochemistry 1
ChapterM2 Water 10
ChapterM3 AminoMAcidsMandMtheMPrimaryMStructuresMofMProteins 27
ChapterM4 Proteins:MThree-DimensionalMStructureMandMFunction 46
ChapterM5 PropertiesMofMEnzymes 65
ChapterM6 MechanismsMofMEnzymes 85
ChapterM7 CoenzymesMandMVitamins 104
ChapterM8 Carbohydrates 119
ChapterM9 LipidsMandMMembranes 137
ChapterM10 IntroductionMtoMMetabolism 153
ChapterM11 Glycolysis 169
ChapterM12 Gluconeogenesis,MTheMPentoseMPhosphateMPathway,
andMGlycogenMMetabolism 185
ChapterM13 TheMCitricMAcidMCycle 199
ChapterM14 ElectronMTransportMandMOxidativeMPhosphorylation 213
ChapterM15 Photosynthesis 227
ChapterM16 LipidMMetabolism 241
ChapterM17 AminoMAcidMMetabolism 256
ChapterM18 NucleotideMMetabolism 269
ChapterM19 NucleicMAcids 284
ChapterM20 DNAMReplication,MRepair,MandMRecombination 300
ChapterM21 TranscriptionMandMRNAMProcessing 315
ChapterM22 ProteinMSynthesis 330
ChapterM23 RecombinantMDNAMTechnology 348

,Chapter 1 Introduction to Biochemistry
M M M




1) WhichM elementsMaccountM forM moreMthanM97%MofMtheMweightM ofMmostMorganisms?
A) C,M H,MN,MMg,MO,M S
B) C,M H,MN,MO,M P,MS
C) C,M H,MN
D) Fe,MC,M H,MO,M P
E) Ca2+,MK+,MNa+,MMg2+,MCl-

Answer:M B
PageMRef:M SectionM2


2) ProteinsMinMbiologicalMmembranesM mayMbe
A) porous.
B) attachedMtoMtheMmembraneMsurface.
C) spanM theMmembrane.
D) AllMofMtheMabove
E) BMandMCMonly

Answer:M D
PageMRef:M SectionM3


3) WhichM statementMaboutM celluloseMisMfalse?
A) ItM isMtheMmostMabundantM polysaccharideM inMnature.
B) ItsMmonomersM areMjoinedM byMglycosidicMbonds.
C) ItM isMpresentMinMtheMstemsMofMfloweringMplants.
D) TheMhydroxylMgroupsMofMneighboringMcelluloseMmoleculesMinteractMtoMformMstrong,Minsol
ubleMfibers.
E) ItM isMaM branchedMpolymerMofMglucose.

Answer:M E
PageMRef:M SectionM3




1

, 4) WhenMKeqMofMaM reactionM=M1,Mthen

A) theMforwardMreactionMisMfasterM thanM theMreverseM reaction.
B) theMreverseM reactionMisMfasterM thanM theMforwardMreaction.
C) theMforwardMandMreverseM reactionMrateMconstantsMareM equal.
D) moreM productsMareM formedMthanM reactants.
E) fewerM productsMareM formedMthanM reactants.

Answer:M C
PageMRef:M SectionM4


5) WhichMstatementMisMtrueMaboutM aM reactionMwithManMequilibriumMconstant,MKeq,MequalM toM1000?

A) TheM forwardMrateMconstantM isM1000MtimesMgreaterM thanMtheMreverseM rateMconstant.
B) TheMforwardMrateMconstantM isM3M timesMgreaterM thanMreverseM rateMconstant.
C) TheM forwardMrateMconstantM isM1000MtimesMsmallerMthanMtheMreverseM rateMconstant.
D) TheM forwardMrateMconstantM isM3M timesMsmallerMthanMtheMreverseM rateMconstant.
E) ThereMisMnotM enoughM informationM givenMtoMcompareMtheM forwardMandMreverseM rateMconsta
nts.

Answer:M A
PageMRef:M SectionM4


6) TheM studyM ofMtheMenergyM changesM duringM metabolicMreactionsM isMcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalMheatM dynamics

Answer:M D
PageMRef:M SectionM4


7) AMspontaneousM chemicalM reactionMalwaysM hasM a change.
A) positiveM GibbʹsMfreeM energy
B) negativeMGibbʹsMfreeM energy
C) positiveMenthalpy
D) negativeMenthalpy
E) positiveMentropy

Answer:M B
PageMRef:M SectionM4




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