Test Bank For Lehninger Principles of Biochemistry 8th Edition By David L. Nelson; Michael M. Cox | 9781319228002 | | Chapter 1-28 | All Chapters with Answers and Rationals

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, TestBank:LehningerPrinciplesofBiochemistry
,8th Edition, David L. NelsonChapters1-28. kk kk kk kk kk kk




1. Inabacterialcell,theDNAisinthe:
k k k k k k k k




A) cellenvelope. k




B) cellmembrane. k




C) nucleoid.
D) nucleus.
E) ribosomes.


2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
k k k k k k k k k k k k




developmentof:
kk k




A) DNA.
B) photosynthetic capability. k k




C) plasmamembranes. k




D) ribosomes.
E) thenucleus. k




3. Ineukaryotes,thenucleusisenclosedb ya doublemembranecalledthe:
k k k k k k k kk k k




A) cellmembrane. k




B) nuclear envelope. kk




C) nucleolus.
D) nucleoplasm.
E) nucleosome.


4. Thedimensionsoflivingcellsarelimited,onthelowerendbytheminimumnumberof
k k k k k k k k k k k k k k




biomolecules necessary for function, and on the upper end by the rate of diffusion of
kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk




solutessuchasoxygen.Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
k k k kk k k k k k k




diameters in the range of:
A) 0.1mto10 m.
kk kk kk kk kk




k k k kk




B) 0.3mto30 m. k k k kk




C) 0.3mto100 m. k k k kk




D) 1mto100m. k k k k




E) 1mto300m. k k k k




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,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
k k k k k k k k k k




extremeenvironments?
kk kk




A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneoftheanswersiscorrect. k k k k k




6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
k k k k k k k k k k k k




thereforea:
kk k




A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichisalistof organelles?
k k k k kk




A) mitochondria,chromatin,endoplasmicreticulum k k k




B) peroxisomes,lysosomes, plasma membrane k k k kk




C) proteasomes, peroxisomes, lysosomes kk kk




D) mitochondria, endoplasmic reticulum, peroxisomes kk kk kk




E) Alloftheanswersarecorrect.
k k k k k




8. Whichlisthasthecellularcomponentsarrangedinorderof INCREASINGsize?
k k k k k k k kk k kk k




A) aminoacid<protein<mitochondrion<ribosome k k k k k k k




B) aminoacid<protein<ribosome<mitochondrion k k k kk k k k




C) aminoacid<ribosome<protein<mitochondrion k k k k k k k




D) protein<aminoacid<mitochondrion<ribosome k k k kk k k k




E) protein<ribosome<mitochondrion<aminoacid k k k k kk k k




9. Thethree-dimensional structureofmacromoleculesisformedandmaintained primarily
k kk k k k kk kk kk kk




throughnoncovalentinteractions. WhichoneofthefollowingisNOTconsidereda
k k k k k k k k k k k k




noncovalentinteraction?
kk k




A) carbon-carbon bonds kk




B) hydrogenbonds kk




C) hydrophobic interactions kk




D) ionicinteractions k




E) vanderWaalsinteractions
k k k




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, 10. WhichelementisNOTamongthefourmostabundantinlivingorganisms?
k k k k k k k kk k k k




A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbontogivewhich
k k k k k k k k k k k k k




geometry?
kk




A) linear
B) tetrahedral
C) trigonalbipyramidal kk




D) trigonalplanar kk




E) trigonalpyramidal kk




12. Whatfunctionalgroupsarepresentonthismolecule?
k k k k k k k




A) etherand aldehyde
k kk




B) hydroxylandaldehyde kk kk




C) hydroxyl andcarboxylic acid kk kk kk




D) hydroxylandester kk kk




E) hydroxylandketone kk kk




13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
k k k k k k k k k k k kk




A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. kk




E) proteins.


14. Stereoisomersthatarenonsuperimposablemirrorimagesofeachotherareknownas:
k k k k k k k k k k k




A) anomers.
B) cis-transisomers. kk




C) diastereoisomers.
D) enantiomers.
E) geometricisomers. k




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