TEST BANK PRINCIPLES OF BIOCHEMISTRY 5TH EDITION Moran |Horton |Scrimgeour |Perry

TEST BANK
PRINCIPLES OF BIOCHEMISTRY
5TH EDITION
Moran |Horton |Scrimgeour |Perry




TEST BANK f m

,PrinciplesfmoffmBiochemistry,fm5thfmEditionfmTestfmBankfmBy:fmMoran,fmHorton,fmScrimg
eour,fmPerry



Contents:
Chapterfm1 IntroductionfmtofmBiochemistry 1
Chapterfm2 Water 10
Chapterfm3 AminofmAcidsfmandfmthefmPrimaryfmStructuresfmoffmProtein 27
s
Chapterfm4 Proteins:fmThree-DimensionalfmStructurefmandfmFunction 46
Chapterfm5 PropertiesfmoffmEnzymes 65
Chapterfm6 MechanismsfmoffmEnzymes 85
Chapterfm7 CoenzymesfmandfmVitamins 104
Chapterfm8 Carbohydrates 119
Chapterfm9 LipidsfmandfmMembranes 137
Chapterfm10 IntroductionfmtofmMetabolism 153
Chapterfm11 Glycolysis 169
Chapterfm12 Gluconeogenesis,fmThefmPentosefmPhosphatefmPathway,
andfmGlycogenfmMetabolism 185
Chapterfm13 ThefmCitricfmAcidfmCycle 199
Chapterfm14 ElectronfmTransportfmandfmOxidativefmPhosphorylation 213
Chapterfm15 Photosynthesis 227
Chapterfm16 LipidfmMetabolism 241
Chapterfm17 AminofmAcidfmMetabolism 256
Chapterfm18 NucleotidefmMetabolism 269
Chapterfm19 NucleicfmAcids 284
Chapterfm20 DNAfmReplication,fmRepair,fmandfmRecombination 300
Chapterfm21 TranscriptionfmandfmRNAfmProcessing 315
Chapterfm22 ProteinfmSynthesis 330
Chapterfm23 RecombinantfmDNAfmTechnology 348

,Chapterfm1 IntroductionfmtofmBiochemistry

1) Whichfm elementsfmaccountfm forfm morefmthanfm97%fmoffmthefmweightfm offmmostfmorganisms?
A) C,fm H,fmN,fmMg,fmO,fm S
B) C,fm H,fmN,fmO,fmP,fmS
C) C,fm H,fmN
D) Fe,fmC,fm H,fmO,fm P
E) Ca2+,fmK+,fmNa+,fmMg2+,fmCl-

Answer:f m B
PagefmRef:fm Sectionfm 2


2) Proteinsfminfmbiologicalfmmembranesfm mayfmbe
A) porous.
B) attachedfmtofmthefmmembranefm surface.
C) spanfm thefmmembrane.
D) Allfmoffmthefmabove
E) BfmandfmCfmonly

Answer:f m D
PagefmRef:fm Sectionfm 3


3) Whichfm statementfmaboutfm cellulosefmisfmfalse?
A) Itfm isfmthefmmostfmabundantfm polysaccharidefm infmnature.
B) Itsfmmonomersfm arefmjoinedfm byfmglycosidicfmbonds.
C) Itfm isfmpresentfminfmthefmstemsfmoffmfloweringfmplants.
D) Thefmhydroxylfmgroupsfmoffmneighboringfmcellulosefmmoleculesfminteractfmtofmformfms
trong,fminsolublefmfibers.
E) Itfm isfmafm branchedfmpolymerfmoffmglucose.

Answer:f m E
PagefmRef:fm Sectionfm 3




1

, 4) WhenfmKeqfmoffmafm reactionfm=fm1,fmthen

A) thefmforwardfmreactionfmisfmfasterfm thanfm thefmreversefm reaction.
B) thefmreversefm reactionfmisfmfasterfm thanfm thefmforwardfmreaction.
C) thefmforwardfmandfmreversefm reactionfmratefmconstantsfmarefm equal.
D) morefm productsfmarefm formedfmthanfm reactants.
E) fewerfm productsfmarefm formedfmthanfm reactants.

Answer:f m C
PagefmRef:fm Sectionfm 4


5) Whichfmstatementfmisfmtruefmaboutfm afm reactionfmwithfmanfmequilibriumfmconstant,fm Keq,fmequ
alfm tofm1000?
A) Thefm forwardfmratefmconstantfm isfm1000fmtimesfmgreaterfm thanfm thefmreversefm ratefmcons
tant.
B) Thefmforwardfmratefmconstantfm isfm3fm timesfmgreaterfm thanfmreversefm ratefmconstant.
C) Thefm forwardfmratefmconstantfm isfm1000fmtimesfmsmallerfmthanfmthefmreversefm ratefmcons
tant.
D) Thefm forwardfmratefmconstantfm isfm3fm timesfmsmallerfmthanfm thefmreversefm ratefmconstan
t.
E) Therefmisfmnotfm enoughfm informationfm givenfmtofmcomparefmthefmforwardfmandfmrevers
efm ratefmconstants.

Answer:f m A
PagefmRef:fm Sectionfm 4


6) Thefm studyfm offmthefmenergyfm changesfm duringfm metabolicfmreactionsfm isfmcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalfmheatfm dynamics

Answer:f m D
PagefmRef:fm Sectionfm 4


7) Afmspontaneousfm chemicalfm reactionfmalwaysfm hasfm a change.
A) positivefm Gibbʹsfmfreefm energy
B) negativefmGibbʹsfmfreefm energy
C) positivefmenthalpy
D) negativefmenthalpy
E) positivefmentropy

Answer:f m B

2