PRINCIPLES OF BIOCHEMISTRY 5TH EDITION
n n n n
LaurencenMoran,nRobertnHorton,nGraynScrimgeourn&nMarcnPerry
,PrinciplesnofnBiochemistry,n5thnEditionnTestnBanknBy:nMoran,nHorton,nScrimgeour,nPerry
Contents:
Chaptern1 IntroductionntonBiochemistry 1
Chaptern2 Water 10
Chaptern3 AminonAcidsnandnthenPrimarynStructuresnofnProteins 27
Chaptern4 Proteins:nThree-DimensionalnStructurenandnFunction 46
Chaptern5 PropertiesnofnEnzymes 65
Chaptern6 MechanismsnofnEnzymes 85
Chaptern7 CoenzymesnandnVitamins 104
Chaptern8 Carbohydrates 119
Chaptern9 LipidsnandnMembranes 137
Chaptern10 IntroductionntonMetabolism 153
Chaptern11 Glycolysis 169
Chaptern12 Gluconeogenesis,nThenPentosenPhosphatenPathway,
andnGlycogennMetabolism 185
Chaptern13 ThenCitricnAcidnCycle 199
Chaptern14 ElectronnTransportnandnOxidativenPhosphorylation 213
Chaptern15 Photosynthesis 227
Chaptern16 LipidnMetabolism 241
Chaptern17 AminonAcidnMetabolism 256
Chaptern18 NucleotidenMetabolism 269
Chaptern19 NucleicnAcids 284
Chaptern20 DNAnReplication,nRepair,nandnRecombination 300
Chaptern21 TranscriptionnandnRNAnProcessing 315
Chaptern22 ProteinnSynthesis 330
Chaptern23 RecombinantnDNAnTechnology 348
,Chapter 1 Introduction to Biochemistry
n n n
1) nWhichn elementsnaccountn forn moren thann 97%n ofnthen weightn ofnmostnorganisms?
A) C,nH,nN,nMg,nO,n S
B) C,n H,nN,nO,n P,nS
C) C,nH,nN
D) Fe,nC,n H,nO,n P
E) Ca2+,n K+,n Na+,n Mg2+,n Cl-
Answer:n B
PagenRef:n Sectionn 2
2) Proteinsninnbiologicaln membranesn mayn be
A) porous.
B) attachedn tonthen membranen surface.
C) spann then membrane.
D) Alln ofnthenabove
E) Bnandn Cnonly
Answer:n D
PagenRef:n Sectionn 3
3) Whichn statementn aboutn cellulosen isnfalse?
A) Itn isnthenmostnabundantn polysacchariden innnature.
B) Itsnmonomersn aren joinedn bynglycosidicn bonds.
C) Itn isnpresentn innthenstemsnofnfloweringn plants.
D) Then hydroxyln groupsn ofnneighboringn cellulosen moleculesn interactn ton formn strong,n insolub
lenfibers.
E) Itn isnan branchedn polymern ofnglucose.
Answer:n E
PagenRef:n Sectionn 3
1
, 4) Whenn Keqn ofn an reactionn =n1,n then
A) then forwardn reactionn isnfastern thann then reversen reaction.
B) then reversen reactionnisnfastern thann then forwardn reaction.
C) then forwardn andn reversen reactionnraten constantsn aren equal.
D) moren productsnaren formedn thann reactants.
E) fewern productsn aren formedn thann reactants.
Answer:n C
PagenRef:n Sectionn 4
5) Whichn statementn isntruenaboutn an reactionnwithnann equilibriumn constant,n Keq,nequaln ton1000?
A) Then forwardn raten constantn isn1000n timesngreatern thann thenreversen raten constant.
B) Then forwardn raten constantn isn3n timesngreatern thann reversen raten constant.
C) Then forwardn raten constantn isn1000n timesn smallernthann then reversen raten constant.
D) Then forwardn raten constantn isn3n timesnsmallernthann thenreversen raten constant.
E) Theren isnnotn enoughn informationn givenn toncomparen then forwardn andn reversen raten constants.
Answer:n A
PagenRef:n Sectionn 4
6) Then studyn ofnthen energyn changesn duringn metabolicn reactionsn isncalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicaln heatn dynamics
Answer:n D
PagenRef:n Sectionn 4
7) An spontaneousn chemicaln reactionn alwaysn hasn a change.
A) positiven Gibbʹsn freen energy
B) negativen Gibbʹsn freen energy
C) positiven enthalpy
D) negativen enthalpy
E) positiven entropy
Answer:n B
PagenRef:n Sectionn 4
2