Test Bank for Lehninger Principles of Biochemistry, 7th Edition by Nelson & Cox | ISBN | Complete Guide with Answers

TEST BANK
m

,Chapterm1.mThemFoundationsmofmBiochemistrym(An
swersmarematmthemEndmofmEachmChapter)
1. Inmambacterialmcell,mthemDNAm isminmthe:
A) cellmenvelope.
B) cellmmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.


2. Ammajormchangemoccurringminmthemevolutionmofmeukaryotesmfrommprokaryotesm
wasmthemdevelopmentmof:
A) DNA.
B) photosyntheticmcapability.
C) plasmammembranes.
D) ribosomes.
E) themnucleus.


3. Inmeukaryotes,mthemnucleusmismenclosedmbymamdoublemmembranemcalledmthe:
A) cellmmembrane.
B) nuclearmenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. Themdimensionsmofmlivingmcellsmaremlimited,monmthemlowermendmbymthemminimummn
umbermofmbiomoleculesmnecessarymformfunction,mandmonmthemuppermendmbymthemrat
emofmdiffusionmofmsolutesmsuchmasmoxygen.mExceptmformhighlymelongatedmcells,mthey
musuallymhavemlengthsmandmdiametersminmthemrangemof:
A) 0.1mmmtom10mm.
B) 0.3mmmtom30mm.
C) 0.3mmmtom100mm.
D) 1mmmtom100mm.
E) 1mmmtom300mm.


5. Whichmgroupmofmsingle-
celledmmicroorganismsmhasmmanymmembersmfoundmgrowingminmextrememenviron
ments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Nonemofmthemanswersmismcorrect.

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, 6. ThembacteriummE.mcolimrequiresmsimplemorganicmmoleculesmformgrowthmandmenerg
y—itmismthereforema:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichmismamlistmofmorganelles?
A) mitochondria,mchromatin,mendoplasmicmreticulum
B) peroxisomes,mlysosomes,mplasmammembrane
C) proteasomes,mperoxisomes,mlysosomes
D) mitochondria,mendoplasmicmreticulum,mperoxisomes
E) Allmofmthemanswersmaremcorrect.


8. WhichmlistmhasmthemcellularmcomponentsmarrangedminmordermofmINCREASINGmsize?
A) aminomacidm<mproteinm<mmitochondrionm<mribosome
B) aminomacidm<mproteinm<mribosomem<mmitochondrion
C) aminomacidm<mribosomem<mproteinm<mmitochondrion
D) proteinm<maminomacidm<mmitochondrionm<mribosome
E) proteinm<mribosomem<mmitochondrionm<maminomacid


9. Themthree-
dimensionalmstructuremofmmacromoleculesmismformedmandmmaintainedmprimarilymthr
oughmnoncovalentminteractions.mWhichmonemofmthemfollowingmismNOTmconsideredm
amnoncovalentminteraction?
A) carbon-carbonmbonds
B) hydrogenmbonds
C) hydrophobicminteractions
D) ionicminteractions
E) vanmdermWaalsminteractions


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




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, 11. Themfourmcovalentmbondsminmmethanem(CH4)maremarrangedmaroundmcarbonmtomgiv
emwhichmgeometry?
A) linear
B) tetrahedral
C) trigonalmbipyramidal
D) trigonalmplanar
E) trigonalmpyramidal


12. Whatmfunctionalmgroupsmarempresentmonmthismmolecule?




A) ethermandmaldehyde
B) hydroxylmandmaldehyde
C) hydroxylmandmcarboxylicmacid
D) hydroxylmandmester
E) hydroxylmandmketone


13. Themmacromoleculesmthatmserveminmthemstoragemandmtransmissionmofmgeneticminfor
mationmare:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleicmacids.
E) proteins.


14. Stereoisomersmthatmaremnonsuperimposablemmirrormimagesmofmeachmothermaremknownmas:
A) anomers.
B) cis-transmisomers.
C) diastereoisomers.
D) enantiomers.
E) geometricmisomers.


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



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