Lehninger Principles of Biochemistry 7th Edition
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Nelson and Cox biochemistry book
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Lehninger Principles of Biochemistry
7th Edition by Nelson and Cox
All chapters covered
,1. InKaKbacterialKcell,KtheKDNAK isKinKthe:
A) cellKenvelope.
B) cellKmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. AKmajorKchangeKoccurringKinKtheKevolutionKofKeukaryotesKfromKprokaryotesKwasKtheK
developmentKof:
A) DNA.
B) photosyntheticKcapability.
C) plasmaKmembranes.
D) ribosomes.
E) theKnucleus.
3. InKeukaryotes,KtheKnucleusKisKenclosedKbyKaKdoubleKmembraneKcalledKthe:
A) cellKmembrane.
B) nuclearKenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. TheKdimensionsKofKlivingKcellsKareKlimited,KonKtheKlowerKendKbyKtheKminimumKnumberKofK
biomoleculesKnecessaryKforKfunction,KandKonKtheKupperKendKbyKtheKrateKofKdiffusionKofKs
olutesKsuchKasKoxygen.KExceptKforKhighlyKelongatedKcells,KtheyKusuallyKhaveKlengthsKandK
diametersKinKtheKrangeKof:
A) 0.1K mKtoK10K m.
B) 0.3K mKtoK30K m.
C) 0.3K mKtoK100K m.
D) 1K mKtoK100K m.
E) 1K mKtoK300K m.
5. WhichKgroupKofKsingle-
celledKmicroorganismsKhasKmanyKmembersKfoundKgrowingKinKextremeKenvironments
?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) NoneKofKtheKanswersKisKcorrect.
PageK1
, 6. TheKbacteriumKE.KcoliKrequiresKsimpleKorganicKmoleculesKforKgrowthKandKenergy—
itKisKthereforeKa:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. WhichKisKaKlistKofKorganelles?
A) mitochondria,Kchromatin,KendoplasmicKreticulum
B) peroxisomes,Klysosomes,KplasmaKmembrane
C) proteasomes,Kperoxisomes,Klysosomes
D) mitochondria,KendoplasmicKreticulum,Kperoxisomes
E) AllKofKtheKanswersKareKcorrect.
8. WhichKlistKhasKtheKcellularKcomponentsKarrangedKinKorderKofKINCREASINGKsize?
A) aminoKacidK<KproteinK<KmitochondrionK<Kribosome
B) aminoKacidK<KproteinK<KribosomeK<Kmitochondrion
C) aminoKacidK<KribosomeK<KproteinK<Kmitochondrion
D) proteinK<KaminoKacidK<KmitochondrionK<Kribosome
E) proteinK<KribosomeK<KmitochondrionK<KaminoKacid
9. TheKthree-
dimensionalKstructureKofKmacromoleculesK isKformedKandKmaintainedKprimarilyKthroughKn
oncovalentKinteractions.KWhichKoneKofKtheKfollowingKisKNOTKconsideredKaKnoncovalentKi
nteraction?
A) carbon-carbonKbonds
B) hydrogenKbonds
C) hydrophobicKinteractions
D) ionicKinteractions
E) vanKderKWaalsKinteractions
10. WhichKelementKisKNOTKamongKtheKfourKmostKabundantKinKlivingKorganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
PageK2
, 11. TheKfourKcovalentKbondsKinKmethaneK(CH4)KareKarrangedKaroundKcarbonKtoKgiveKwhichK
geometry?
A) linear
B) tetrahedral
C) trigonalKbipyramidal
D) trigonalKplanar
E) trigonalKpyramidal
A) etherKandKaldehyde
B) hydroxylKandKaldehyde
C) hydroxylKandKcarboxylicKacid
D) hydroxylKandKester
E) hydroxylKandKketone
13. TheKmacromoleculesKthatKserveKinKtheKstorageKandKtransmissionKofKgeneticK informatio
nKare:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleicKacids.
E) proteins.
14. StereoisomersKthatKareKnonsuperimposableKmirrorKimagesKofKeachKotherKareKknownKas:
A) anomers.
B) cis-transKisomers.
C) diastereoisomers.
D) enantiomers.
E) geometricKisomers.
15. TheKcatalogKofKallKproteinsKfunctioningKinKaKcellK isKthe:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
PageK3
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