Test bank lehninger principles of biochemistry 7th edition nelson

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Lehninger Principles of Biochemistry 7th EditionN
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elson Test Bank
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TablevOfvContents

TablevofvContents
1.vThevFoundationsvofvBiochemistryv2.vWaterv3.vAminovAcids,vPeptides,vandv
Proteinsv4.vThevThree-DimensionalvStructurevofvProteinsv5.vProteinvFunctionv6.vEnzymesv7.
CarbohydratesvandvGlycobiologyv8.vNucleotidesvandvNucleicvAcidsv9.vDNA-
BasedvInformationvTechnologiesv10.vLipidsv11.vBiologicalvMembranesvandvTransportv12.vBiosignalingv13.v
BioenergeticsvandvBiochemicalvReactionvTypesv14.vGlycolysis,vGluconeogenesis,vandvthevPentosevPhosph
atevPathwayv15.vPrinciplesvofvMetabolicvRegulationv16.vThevCitricvAcidvCyclev17.vFattyvAcidvCatabolismv18
.vAminovAcidvOxidationvandvthevProductionvofvUreav19.vOxidativevPhosphorylationvandvPhotophosphoryl
ationvOxidativevPhosphorylationv20.vCarbohydratevBiosynthesisvinvPlantsvandvBacteriav21.vLipidvBiosynthe
sis
22. Biosynthesisv ofv Aminov Acids,v Nucleotides,v andv Relatedv Moleculesv 23.v Hormonalv Regulationv
andvIntegrationvofvMammalianvMetabolismv24.vGenesvandvChromosomesv25.vDNAvMetabolismv26.v
RNAMetabolismv27.vProteinvMetabolismv28.vRegulationvofvGenevExpression


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1. Invavbacterialvcell,vthevDNAv isvinvthe:
A) cellvenvelope.
B) cellvmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. Avmajorvchangevoccurringvinvthevevolutionvofveukaryotesvfromvprokaryotesvwasvthevd
evelopmentvof:
A) DNA.
B) photosyntheticvcapability.
C) plasmavmembranes.
D) ribosomes.
E) thevnucleus.


3. Inveukaryotes,vthevnucleusvisvenclosedvbyvavdoublevmembranevcalledvthe:
A) cellvmembrane.
B) nuclearvenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. Thevdimensionsvofvlivingvcellsvarevlimited,vonvthevlowervendvbyvthevminimumvnumbervofvb
iomoleculesvnecessaryvforvfunction,vandvonvthevuppervendvbyvthevratevofvdiffusionvofvsolut
esvsuchvasvoxygen.vExceptvforvhighlyvelongatedvcells,vtheyvusuallyvhavevlengthsvandvdiame
tersvinvthevrangevof:
A) 0.1vmvtov10vm.
B) 0.3vmvtov30vm.
C) 0.3vmvtov100vm.
D) 1vmvtov100vm.
E) 1vmvtov300vm.


5. Whichvgroupvofvsingle-
celledvmicroorganismsvhasvmanyvmembersvfoundvgrowingvinvextremevenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Nonevofvthevanswersvisvcorrect.




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6. ThevbacteriumvE.vcolivrequiresvsimplevorganicvmoleculesvforvgrowthvandvenergy—
itvisvthereforeva:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichvisvavlistvofvorganelles?
A) mitochondria,vchromatin,vendoplasmicvreticulum
B) peroxisomes,vlysosomes,vplasmavmembrane
C) proteasomes,vperoxisomes,vlysosomes
D) mitochondria,vendoplasmicvreticulum,vperoxisomes
E) Allvofvthevanswersvarevcorrect.


8. WhichvlistvhasvthevcellularvcomponentsvarrangedvinvordervofvINCREASINGvsize?
A) aminovacidv<vproteinv<vmitochondrionv<vribosome
B) aminovacidv<vproteinv<vribosomev<vmitochondrion
C) aminovacidv<vribosomev<vproteinv<vmitochondrion
D) proteinv<vaminovacidv<vmitochondrionv<vribosome
E) proteinv<vribosomev<vmitochondrionv<vaminovacid


9. Thevthree-
dimensionalvstructurevofvmacromoleculesvisvformedvandvmaintainedvprimarilyvthroughvno
ncovalentvinteractions.vWhichvonevofvthevfollowingvisvNOTvconsideredvavnoncovalentvint
eraction?
A) carbon-carbonvbonds
B) hydrogenvbonds
C) hydrophobicvinteractions
D) ionicvinteractions
E) vanvdervWaalsvinteractions


10. WhichvelementvisvNOTvamongvthevfourvmostvabundantvinvlivingvorganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus




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11. Thevfourvcovalentvbondsvinvmethanev(CH4)varevarrangedvaroundvcarbonvtovgivevwhichvg
eometry?
A) linear
B) tetrahedral
C) trigonalvbipyramidal
D) trigonalvplanar
E) trigonalvpyramidal


12. Whatvfunctionalvgroupsvarevpresentvonvthisvmolecule?




A) ethervandvaldehyde
B) hydroxylvandvaldehyde
C) hydroxylvandvcarboxylicvacid
D) hydroxylvandvester
E) hydroxylvandvketone


13. Thevmacromoleculesvthatvservevinvthevstoragevandvtransmissionvofvgeneticv informationva
re:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleicvacids.
E) proteins.


14. Stereoisomersvthatvarevnonsuperimposablevmirrorvimagesvofveachvothervarevknownvas:
A) anomers.
B) cis-transvisomers.
C) diastereoisomers.
D) enantiomers.
E) geometricvisomers.


15. Thevcatalogvofvallvproteinsvfunctioningvinvavcellvisvthe:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.



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