Lehninger Principles of Biochemistry 7th EditionN
g g g g g g
elson Test Bank
g g
TablegOfgContents
TablegofgContents
1.gThegFoundationsgofgBiochemistryg2.gWaterg3.gAminogAcids,gPeptides,gandg
Proteinsg4.gThegThree-DimensionalgStructuregofgProteinsg5.gProteingFunctiong6.gEnzymesg7.
CarbohydratesgandgGlycobiologyg8.gNucleotidesgandgNucleicgAcidsg9.gDNA-
BasedgInformationgTechnologiesg10.gLipidsg11.gBiologicalgMembranesgandgTransportg12.gBiosignalingg13.g
BioenergeticsgandgBiochemicalgReactiongTypesg14.gGlycolysis,gGluconeogenesis,gandgthegPentosegPhosph
ategPathwayg15.gPrinciplesgofgMetabolicgRegulationg16.gThegCitricgAcidgCycleg17.gFattygAcidgCatabolismg18
.gAminogAcidgOxidationgandgthegProductiongofgUreag19.gOxidativegPhosphorylationgandgPhotophosphoryl
ationgOxidativegPhosphorylationg20.gCarbohydrategBiosynthesisgingPlantsgandgBacteriag21.gLipidgBiosynth
esis
22. Biosynthesisg ofg Aminog Acids,g Nucleotides,g andg Relatedg Moleculesg 23.g Hormonalg Regulationg
andgIntegrationgofgMammaliangMetabolismg24.gGenesgandgChromosomesg25.gDNAgMetabolismg26.g
RNAMetabolismg27.gProteingMetabolismg28.gRegulationgofgGenegExpression
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1. Ingagbacterialgcell,gthegDNAg isgingthe:
A) cellgenvelope.
B) cellgmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Agmajorgchangegoccurringgingthegevolutiongofgeukaryotesgfromgprokaryotesgwasgthegd
evelopmentgof:
A) DNA.
B) photosyntheticgcapability.
C) plasmagmembranes.
D) ribosomes.
E) thegnucleus.
3. Ingeukaryotes,gthegnucleusgisgenclosedgbygagdoublegmembranegcalledgthe:
A) cellgmembrane.
B) nucleargenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Thegdimensionsgofglivinggcellsgareglimited,gongtheglowergendgbygthegminimumgnumbergofgb
iomoleculesgnecessarygforgfunction,gandgongtheguppergendgbygthegrategofgdiffusiongofgsolut
esgsuchgasgoxygen.gExceptgforghighlygelongatedgcells,gtheygusuallyghaveg lengthsgandgdiame
tersgingthegrangegof:
A) 0.1gmgtog10gm.
B) 0.3gmgtog30gm.
C) 0.3gmgtog100gm.
D) 1gmgtog100gm.
E) 1gmgtog300gm.
5. Whichggroupgofgsingle-
celledgmicroorganismsghasgmanygmembersgfoundggrowinggingextremegenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Nonegofgtheganswersgisgcorrect.
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6. ThegbacteriumgE.gcoligrequiresgsimplegorganicgmoleculesgforggrowthgandgenergy—
itgisgthereforega:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Whichgisgaglistgofgorganelles?
A) mitochondria,gchromatin,gendoplasmicgreticulum
B) peroxisomes,glysosomes,gplasmagmembrane
C) proteasomes,gperoxisomes,glysosomes
D) mitochondria,gendoplasmicgreticulum,gperoxisomes
E) Allgofgtheganswersgareg correct.
8. WhichglistghasgthegcellulargcomponentsgarrangedgingordergofgINCREASINGg size?
A) aminogacidg<gproteing<gmitochondriong<gribosome
B) aminogacidg<gproteing<gribosomeg<gmitochondrion
C) aminogacidg<gribosomeg<gproteing<gmitochondrion
D) proteing<gaminogacidg<gmitochondriong<gribosome
E) proteing<gribosomeg<gmitochondriong<gaminogacid
9. Thegthree-
dimensionalgstructuregofgmacromoleculesg isgformedgandgmaintainedgprimarilygthroughgno
ncovalentginteractions.gWhichgonegofgthegfollowinggisgNOTgconsideredgagnoncovalentgint
eraction?
A) carbon-carbongbonds
B) hydrogengbonds
C) hydrophobicginteractions
D) ionicginteractions
E) vangdergWaalsginteractions
10. WhichgelementgisgNOTgamonggthegfourgmostgabundantginglivinggorganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
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11. Thegfourgcovalentgbondsgingmethaneg(CH4)garegarrangedgaroundgcarbongtoggivegwhichgg
eometry?
A) linear
B) tetrahedral
C) trigonalgbipyramidal
D) trigonalgplanar
E) trigonalgpyramidal
12. Whatgfunctionalggroupsgaregpresentgongthisgmolecule?
A) ethergandgaldehyde
B) hydroxylgandgaldehyde
C) hydroxylgandgcarboxylicgacid
D) hydroxylgandgester
E) hydroxylgandgketone
13. Thegmacromoleculesgthatgservegingthegstoragegandgtransmissiongofggeneticg informationga
re:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleicgacids.
E) proteins.
14. Stereoisomersgthatgaregnonsuperimposablegmirrorgimagesgofgeachgothergaregknowngas:
A) anomers.
B) cis-transgisomers.
C) diastereoisomers.
D) enantiomers.
E) geometricgisomers.
15. Thegcataloggofgallgproteinsgfunctioninggingagcellg isgthe:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
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