TESTBANK x
PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
x x x x
LaurencexMoran,xRobertxHorton,xGrayxScrimgeourx&xMarcxPerry
,PrinciplesxofxBiochemistry,x5thxEditionxTestxBankxBy:xMoran,xHorton,xScrimgeour,xPerry
Contents:
Chapterx1 IntroductionxtoxBiochemistry 1
Chapterx2 Water 10
Chapterx3 AminoxAcidsxandxthexPrimaryxStructuresxofxProteins 27
Chapterx4 Proteins:xThree-DimensionalxStructurexandxFunction 46
Chapterx5 PropertiesxofxEnzymes 65
Chapterx6 MechanismsxofxEnzymes 85
Chapterx7 CoenzymesxandxVitamins 104
Chapterx8 Carbohydrates 119
Chapterx9 LipidsxandxMembranes 137
Chapterx10 IntroductionxtoxMetabolism 153
Chapterx11 Glycolysis 169
Chapterx12 Gluconeogenesis,xThexPentosexPhosphatexPathway,
andxGlycogenxMetabolism 185
Chapterx13 ThexCitricxAcidxCycle 199
Chapterx14 ElectronxTransportxandxOxidativexPhosphorylation 213
Chapterx15 Photosynthesis 227
Chapterx16 LipidxMetabolism 241
Chapterx17 AminoxAcidxMetabolism 256
Chapterx18 NucleotidexMetabolism 269
Chapterx19 NucleicxAcids 284
Chapterx20 DNAxReplication,xRepair,xandxRecombination 300
Chapterx21 TranscriptionxandxRNAxProcessing 315
Chapterx22 ProteinxSynthesis 330
Chapterx23 RecombinantxDNAxTechnology 348
,Chapter 1 Introduction to Biochemistry
x x x
1) Whichxelementsxaccountxforxmorexthanx97%xofxthexweightxofxmostxorganisms?
A) C,x H,xN,xMg,xO,x S
B) C,xH,xN,xO,xP,xS
C) C,xH,xN
D) Fe,xC,x H,xO,x P
E) Ca2+,xK+,xNa+,xMg2+,xCl-
Answer:x B
PagexRef:xSectionx2
2) Proteinsxinxbiologicalxmembranesxmayxbe
A) porous.
B) attachedxtoxthexmembranexsurface.
C) spanx thexmembrane.
D) Allxofxthexabove
E) BxandxCxonly
Answer:x D
PagexRef:xSectionx3
3) Whichxstatementxaboutxcellulosexisxfalse?
A) Itxisxthexmostxabundantxpolysaccharidexinxnature.
B) Itsxmonomersxarexjoinedxbyxglycosidicxbonds.
C) Itxisxpresentxinxthexstemsxofxfloweringxplants.
D) Thexhydroxylxgroupsxofxneighboringxcellulosexmoleculesxinteractxtoxformxstrong,xinsoluble
xfibers.
E) Itxisxaxbranchedxpolymerxofxglucose.
Answer:x E
PagexRef:xSectionx3
1
, 4) WhenxKeqxofxaxreactionx=x1,xthen
A) thexforwardxreactionxisxfasterxthanxthexreversexreaction.
B) thexreversex reactionxisxfasterxthanxthexforwardxreaction.
C) thexforwardxandxreversexreactionxratexconstantsxarexequal.
D) morexproductsxarex formedxthanx reactants.
E) fewerx productsxarexformedxthanx reactants.
Answer:x C
PagexRef:xSectionx4
5) Whichxstatementxisxtruexaboutxax reactionxwithxanxequilibriumxconstant,xKeq,xequalxtox1000?
A) Thexforwardxratexconstantx isx1000xtimesxgreaterxthanxthexreversexratexconstant.
B) Thexforwardxratexconstantx isx3x timesxgreaterxthanxreversexratexconstant.
C) Thexforwardxratexconstantx isx1000xtimesxsmallerxthanxthexreversexratexconstant.
D) Thexforwardxratexconstantx isx3x timesxsmallerxthanxthexreversexratexconstant.
E) Therexisxnotxenoughx informationxgivenxtoxcomparexthexforwardxandxreversexratexconstants.
Answer:x A
PagexRef:xSectionx4
6) Thexstudyxofxthexenergyx changesx duringxmetabolicxreactionsxisxcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalxheatx dynamics
Answer:x D
PagexRef:xSectionx4
7) Axspontaneousxchemicalxreactionxalwaysx hasxa change.
A) positivexGibbʹsxfreexenergy
B) negativexGibbʹsxfreexenergy
C) positivexenthalpy
D) negativexenthalpy
E) positivexentropy
Answer:x B
PagexRef:xSectionx4
2
PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
x x x x
LaurencexMoran,xRobertxHorton,xGrayxScrimgeourx&xMarcxPerry
,PrinciplesxofxBiochemistry,x5thxEditionxTestxBankxBy:xMoran,xHorton,xScrimgeour,xPerry
Contents:
Chapterx1 IntroductionxtoxBiochemistry 1
Chapterx2 Water 10
Chapterx3 AminoxAcidsxandxthexPrimaryxStructuresxofxProteins 27
Chapterx4 Proteins:xThree-DimensionalxStructurexandxFunction 46
Chapterx5 PropertiesxofxEnzymes 65
Chapterx6 MechanismsxofxEnzymes 85
Chapterx7 CoenzymesxandxVitamins 104
Chapterx8 Carbohydrates 119
Chapterx9 LipidsxandxMembranes 137
Chapterx10 IntroductionxtoxMetabolism 153
Chapterx11 Glycolysis 169
Chapterx12 Gluconeogenesis,xThexPentosexPhosphatexPathway,
andxGlycogenxMetabolism 185
Chapterx13 ThexCitricxAcidxCycle 199
Chapterx14 ElectronxTransportxandxOxidativexPhosphorylation 213
Chapterx15 Photosynthesis 227
Chapterx16 LipidxMetabolism 241
Chapterx17 AminoxAcidxMetabolism 256
Chapterx18 NucleotidexMetabolism 269
Chapterx19 NucleicxAcids 284
Chapterx20 DNAxReplication,xRepair,xandxRecombination 300
Chapterx21 TranscriptionxandxRNAxProcessing 315
Chapterx22 ProteinxSynthesis 330
Chapterx23 RecombinantxDNAxTechnology 348
,Chapter 1 Introduction to Biochemistry
x x x
1) Whichxelementsxaccountxforxmorexthanx97%xofxthexweightxofxmostxorganisms?
A) C,x H,xN,xMg,xO,x S
B) C,xH,xN,xO,xP,xS
C) C,xH,xN
D) Fe,xC,x H,xO,x P
E) Ca2+,xK+,xNa+,xMg2+,xCl-
Answer:x B
PagexRef:xSectionx2
2) Proteinsxinxbiologicalxmembranesxmayxbe
A) porous.
B) attachedxtoxthexmembranexsurface.
C) spanx thexmembrane.
D) Allxofxthexabove
E) BxandxCxonly
Answer:x D
PagexRef:xSectionx3
3) Whichxstatementxaboutxcellulosexisxfalse?
A) Itxisxthexmostxabundantxpolysaccharidexinxnature.
B) Itsxmonomersxarexjoinedxbyxglycosidicxbonds.
C) Itxisxpresentxinxthexstemsxofxfloweringxplants.
D) Thexhydroxylxgroupsxofxneighboringxcellulosexmoleculesxinteractxtoxformxstrong,xinsoluble
xfibers.
E) Itxisxaxbranchedxpolymerxofxglucose.
Answer:x E
PagexRef:xSectionx3
1
, 4) WhenxKeqxofxaxreactionx=x1,xthen
A) thexforwardxreactionxisxfasterxthanxthexreversexreaction.
B) thexreversex reactionxisxfasterxthanxthexforwardxreaction.
C) thexforwardxandxreversexreactionxratexconstantsxarexequal.
D) morexproductsxarex formedxthanx reactants.
E) fewerx productsxarexformedxthanx reactants.
Answer:x C
PagexRef:xSectionx4
5) Whichxstatementxisxtruexaboutxax reactionxwithxanxequilibriumxconstant,xKeq,xequalxtox1000?
A) Thexforwardxratexconstantx isx1000xtimesxgreaterxthanxthexreversexratexconstant.
B) Thexforwardxratexconstantx isx3x timesxgreaterxthanxreversexratexconstant.
C) Thexforwardxratexconstantx isx1000xtimesxsmallerxthanxthexreversexratexconstant.
D) Thexforwardxratexconstantx isx3x timesxsmallerxthanxthexreversexratexconstant.
E) Therexisxnotxenoughx informationxgivenxtoxcomparexthexforwardxandxreversexratexconstants.
Answer:x A
PagexRef:xSectionx4
6) Thexstudyxofxthexenergyx changesx duringxmetabolicxreactionsxisxcalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalxheatx dynamics
Answer:x D
PagexRef:xSectionx4
7) Axspontaneousxchemicalxreactionxalwaysx hasxa change.
A) positivexGibbʹsxfreexenergy
B) negativexGibbʹsxfreexenergy
C) positivexenthalpy
D) negativexenthalpy
E) positivexentropy
Answer:x B
PagexRef:xSectionx4
2
