Test Bank - Lehninger Principles of Biochemistry, 8th Edition (Nelson) Chapter 1-28 | All Chapters

Test Bank: Lehninger Principles of Biochemistry, 7t
xd xd xd xd xd xd


hEdition, David L. Nelson Chapters 1-28.
xd xd xd xd xd xd




1. Inxdaxdbacterialxdcell,xdthexdDNAxdisxdinxdt
he:
A) cellxdenvelope.
B) cellxdmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. Axdmajorxdchangexdoccurringxdinxdthexdevolutionxdofxdeukaryotesxdfromxdprokaryotesxdwa
sxdthe
developmentxdof:
A) DNA.
B) photosyntheticxdcapability.
C) plasmaxdmembranes.
D) ribosomes.
E) thexdnucleus.


3. Inxdeukaryotes,xdthexdnucleusxdisxdenclosedxdbyxdaxddoublexdmembranexdcalled
xdthe:

A) cellxdmembrane.
B) nuclearxdenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. Thexddimensionsxdofxdlivingxdcellsxdarexdlimited,xdonxdthexdlowerxdendxdbyxdthexdminimumxdn
umberxdofxdbiomoleculesxdnecessaryxdforxdfunction,xdandxdonxdthexdupperxdendxdbyxdthexdratexd
ofxddiffusionxdof
solutesxdsuchxdasxdoxygen.xdExceptxdforxdhighlyxdelongatedxdcells,xdtheyxdusuallyxdhavexdleng
thsxdandxddiametersxdinxdthexdrangexdof:
A) 0.1xdmxdtoxd10xdm.
B) 0.3xdmxdtoxd30xdm.
C) 0.3xdmxdtoxd100xdm.
D) 1xdmxdtoxd100xdm.
E) 1xdmxdtoxd300xdm.




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,5. Whichxdgroupxdofxdsingle-
celledxdmicroorganismsxdhasxdmanyxdmembersxdfoundxdgrowingxdin
extremexdenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Nonexdofxdthexdanswersxdisxdcorrect.


6. ThexdbacteriumxdE.xdcolixdrequiresxdsimplexdorganicxdmoleculesxdforxdgrowthxdandxdenergy
—itxdis
thereforexda:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichxdisxdaxdlistxdofxdorganelles?
A) mitochondria,xdchromatin,xdendoplasmicxdreticulum
B) peroxisomes,xdlysosomes,xdplasmaxdmembrane
C) proteasomes,xdperoxisomes,xdlysosomes
D) mitochondria,xdendoplasmicxdreticulum,xdperoxisomes
E) Allxdofxdthexdanswersxdarexdcorrect.


8. WhichxdlistxdhasxdthexdcellularxdcomponentsxdarrangedxdinxdorderxdofxdINCREASINGxd
size?
A) aminoxdacidxd<xdproteinxd<xdmitochondrionxd<xdribosome
B) aminoxdacidxd<xdproteinxd<xdribosomexd<xdmitochondrion
C) aminoxdacidxd<xdribosomexd<xdproteinxd<xdmitochondrion
D) proteinxd<xdaminoxdacidxd<xdmitochondrionxd<xdribosome
E) proteinxd<xdribosomexd<xdmitochondrionxd<xdaminoxdacid


9. Thexdthree-
dimensionalxdstructurexdofxdmacromoleculesxdisxdformedxdandxdmaintainedxdprimarilyxdthrou
ghxdnoncovalentxdinteractions.x d WhichxdonexdofxdthexdfollowingxdisxdNOTxdconsideredxda
noncovalentxdinteraction?
A) carbon-carbonxdbonds
B) hydrogenxdbonds
C) hydrophobicxdinteractions
D) ionicxdinteractions
E) vanxdderxdWaalsxdinteractions



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,10. WhichxdelementxdisxdNOTxdamongxdthexdfourxdmostxdabundantxdinxdlivingxdorgani
sms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. Thexdfourxdcovalentxdbondsxdinxdmethanexd(CH4)xdarexdarrangedxdaroundxdcarbonxdtoxdgivexd
which
geometry?
A) linear
B) tetrahedral
C) trigonalxdbipyramidal
D) trigonalxdplanar
E) trigonalxdpyramidal


12. Whatxdfunctionalxdgroupsxdarexdpresentxdonxdthisxdmolecul
e?




A) etherxdandxdaldehyde
B) hydroxylxdandxdaldehyde
C) hydroxylxdandxdcarboxylicxdacid
D) hydroxylxdandxdester
E) hydroxylxdandxdketone


13. Thexdmacromoleculesxdthatxdservexdinxdthexdstoragexdandxdtransmissionxdofxdgeneticxdinform
ation
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleicxdacids.
E) proteins.


14. Stereoisomersxdthatxdarexdnonsuperimposablexdmirrorxdimagesxdofxdeachxdotherxdarexdknow
nxdas:
A) anomers.
B) cis-transxdisomers.
C) diastereoisomers.
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, D) enantiomers.
E) geometricxdisomers.




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