,Contents
Chapterh1 IntroductionhtohBiochemistry 1
Chapterh2 Water 10
Chapterh3 AminohAcidshandhthehPrimaryhStructureshofhProteins 27
Chapterh4 Proteins:hThree-DimensionalhStructurehandhFunction 46
Chapterh5 PropertieshofhEnzymes 65
Chapterh6 MechanismshofhEnzymes 85
Chapterh7 CoenzymeshandhVitamins 104
Chapterh8 Carbohydrates 119
Chapterh9 LipidshandhMembranes 137
Chapterh10 IntroductionhtohMetabolism 153
Chapterh11 Glycolysis 169
Chapterh12 Gluconeogenesis,hThehPentosehPhosphatehPathway,
andhGlycogenhMetabolism 185
Chapterh13 ThehCitrichAcidhCycle 199
Chapterh14 ElectronhTransporthandhOxidativehPhosphorylation 213
Chapterh15 Photosynthesis 227
Chapterh16 LipidhMetabolism 241
Chapterh17 AminohAcidhMetabolism 256
Chapterh18 NucleotidehMetabolism 269
Chapterh19 NucleichAcids 284
Chapterh20 DNAhReplication,hRepair,handhRecombination 300
Chapterh21 TranscriptionhandhRNAhProcessing 315
Chapterh22 ProteinhSynthesis 330
Chapterh23 RecombinanthDNAhTechnology 348
,Chapter 1 Introduction to Biochemistry
h h h
1) Whichh elementshaccounth forh moreh thanh 97%h ofhtheh weighth ofhmosthorganisms?
A) C,hH,hN,hMg,hO,h S
B) C,hH,hN,hO,hP,hS
C) C,hH,hN
D) Fe,hC,hH,hO,hP
E) Ca2+,h K+,h Na+,h Mg2+,h Cl-
Answer:h B
PagehRef:hSectionh2
2) Proteinshinh biologicalh membranesh mayh be
A) porous.
B) attachedh tohtheh membraneh surface.
C) spanh theh membrane.
D) Allh ofhthehabove
E) Bhandh Chonly
Answer:h D
PagehRef:hSectionh3
3) Whichh statementh abouth celluloseh ish false?
A) Ith ishtheh mosthabundanth polysaccharideh inhnature.
B) Itsh monomersh areh joinedh byhglycosidich bonds.
C) Ith ishpresenth inhtheh stemsh ofhfloweringh plants.
D) Theh hydroxylh groupsh ofh neighboringh celluloseh moleculesh interacth toh formh strong,h insolub
lehfibers.
E) Ith ishah branchedh polymerh ofhglucose.
Answer:h E
PagehRef:hSectionh3
1
, 4) WhenhKeqhofhah reactionh=h1,hthen
A) theh forwardh reactionh ish fasterh thanh theh reverseh reaction.
B) theh reverseh reactionhish fasterh thanh theh forwardh reaction.
C) theh forwardh andh reverseh reactionh rateh constantsh areh equal.
D) moreh productsh areh formedh thanh reactants.
E) fewerh productsh areh formedh thanh reactants.
Answer:h C
PagehRef:hSectionh4
5) Whichh statementh ish truehabouth ah reactionhwithhanh equilibriumh constant,h Keq,h equalh toh1000?
A) Theh forwardh rateh constanth ish1000h timeshgreaterh thanh theh reverseh rateh constant.
B) Theh forwardh rateh constanth ish3h timeshgreaterh thanh reverseh rateh constant.
C) Theh forwardh rateh constanth ish1000h timesh smallerhthanh theh reverseh rateh constant.
D) Theh forwardh rateh constanth ish3h timeshsmallerhthanh theh reverseh rateh constant.
E) Thereh ish noth enoughh informationh givenh tohcompareh theh forwardh andh reverseh rateh constants.
Answer:h A
PagehRef:hSectionh4
6) Theh studyh ofhtheh energyh changesh duringh metabolich reactionsh ish called .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalh heath dynamics
Answer:h D
PagehRef:hSectionh4
7) Ah spontaneoush chemicalh reactionh alwaysh hash a change.
A) positiveh Gibbʹsh freeh energy
B) negativeh Gibbʹsh freeh energy
C) positiveh enthalpy
D) negativeh enthalpy
E) positiveh entropy
Answer:h B
PagehRef:hSectionh4
2
Chapterh1 IntroductionhtohBiochemistry 1
Chapterh2 Water 10
Chapterh3 AminohAcidshandhthehPrimaryhStructureshofhProteins 27
Chapterh4 Proteins:hThree-DimensionalhStructurehandhFunction 46
Chapterh5 PropertieshofhEnzymes 65
Chapterh6 MechanismshofhEnzymes 85
Chapterh7 CoenzymeshandhVitamins 104
Chapterh8 Carbohydrates 119
Chapterh9 LipidshandhMembranes 137
Chapterh10 IntroductionhtohMetabolism 153
Chapterh11 Glycolysis 169
Chapterh12 Gluconeogenesis,hThehPentosehPhosphatehPathway,
andhGlycogenhMetabolism 185
Chapterh13 ThehCitrichAcidhCycle 199
Chapterh14 ElectronhTransporthandhOxidativehPhosphorylation 213
Chapterh15 Photosynthesis 227
Chapterh16 LipidhMetabolism 241
Chapterh17 AminohAcidhMetabolism 256
Chapterh18 NucleotidehMetabolism 269
Chapterh19 NucleichAcids 284
Chapterh20 DNAhReplication,hRepair,handhRecombination 300
Chapterh21 TranscriptionhandhRNAhProcessing 315
Chapterh22 ProteinhSynthesis 330
Chapterh23 RecombinanthDNAhTechnology 348
,Chapter 1 Introduction to Biochemistry
h h h
1) Whichh elementshaccounth forh moreh thanh 97%h ofhtheh weighth ofhmosthorganisms?
A) C,hH,hN,hMg,hO,h S
B) C,hH,hN,hO,hP,hS
C) C,hH,hN
D) Fe,hC,hH,hO,hP
E) Ca2+,h K+,h Na+,h Mg2+,h Cl-
Answer:h B
PagehRef:hSectionh2
2) Proteinshinh biologicalh membranesh mayh be
A) porous.
B) attachedh tohtheh membraneh surface.
C) spanh theh membrane.
D) Allh ofhthehabove
E) Bhandh Chonly
Answer:h D
PagehRef:hSectionh3
3) Whichh statementh abouth celluloseh ish false?
A) Ith ishtheh mosthabundanth polysaccharideh inhnature.
B) Itsh monomersh areh joinedh byhglycosidich bonds.
C) Ith ishpresenth inhtheh stemsh ofhfloweringh plants.
D) Theh hydroxylh groupsh ofh neighboringh celluloseh moleculesh interacth toh formh strong,h insolub
lehfibers.
E) Ith ishah branchedh polymerh ofhglucose.
Answer:h E
PagehRef:hSectionh3
1
, 4) WhenhKeqhofhah reactionh=h1,hthen
A) theh forwardh reactionh ish fasterh thanh theh reverseh reaction.
B) theh reverseh reactionhish fasterh thanh theh forwardh reaction.
C) theh forwardh andh reverseh reactionh rateh constantsh areh equal.
D) moreh productsh areh formedh thanh reactants.
E) fewerh productsh areh formedh thanh reactants.
Answer:h C
PagehRef:hSectionh4
5) Whichh statementh ish truehabouth ah reactionhwithhanh equilibriumh constant,h Keq,h equalh toh1000?
A) Theh forwardh rateh constanth ish1000h timeshgreaterh thanh theh reverseh rateh constant.
B) Theh forwardh rateh constanth ish3h timeshgreaterh thanh reverseh rateh constant.
C) Theh forwardh rateh constanth ish1000h timesh smallerhthanh theh reverseh rateh constant.
D) Theh forwardh rateh constanth ish3h timeshsmallerhthanh theh reverseh rateh constant.
E) Thereh ish noth enoughh informationh givenh tohcompareh theh forwardh andh reverseh rateh constants.
Answer:h A
PagehRef:hSectionh4
6) Theh studyh ofhtheh energyh changesh duringh metabolich reactionsh ish called .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalh heath dynamics
Answer:h D
PagehRef:hSectionh4
7) Ah spontaneoush chemicalh reactionh alwaysh hash a change.
A) positiveh Gibbʹsh freeh energy
B) negativeh Gibbʹsh freeh energy
C) positiveh enthalpy
D) negativeh enthalpy
E) positiveh entropy
Answer:h B
PagehRef:hSectionh4
2
