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

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




1. Inabacterialcell,theDNAisinthe:
j j j j j j j j




A) cellenvelope. j




B) cellmembrane. j




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


2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
j j j j j j j j j j j j




developmentof:
j j




A) DNA.
B) photosynthetic capability. j




C) plasmamembranes. j




D) ribosomes.
E) thenucleus. j




3. Ineukaryotes,thenucleusisenclosedb ya doublemembranecalledthe:
j j j j j j j j j j




A) cellmembrane. j




B) nuclear envelope. j




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


4. Thedimensionsoflivingcellsarelimited,onthelowerendbytheminimumnumberof
j j j j j j j j j j j j j j




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




solutessuchasoxygen. Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
j j j j j j j j j j




diameters in the range of:
j j j j j




A) 0.1mto10 m. j j j j




B) 0.3mto30 m. j j j j




C) 0.3mto100 m. j j j j




D) 1mto100m. j j j j




E) 1mto300m. j j j j




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,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
j j j j j j j j j j




jextremeenvironments?
j




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




6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
j j j j j j j j j j j j




jthereforea: j




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


7. Whichisalistof organelles?
j j j j j




A) mitochondria,chromatin,endoplasmicreticulum j j j




B) peroxisomes,lysosomes, plasma membrane j j j




C) proteasomes, peroxisomes, lysosomes j j




D) mitochondria, endoplasmic reticulum, peroxisomes j j j




E) Alloftheanswersarecorrect.
j j j j j




8. Whichlisthasthecellularcomponentsarrangedin orderof INCREASINGsize?
j j j j j j j j j j j




A) aminoacid<protein<mitochondrion<ribosome j j j j j j j




B) aminoacid<protein<ribosome<mitochondrion j j j j j j j




C) aminoacid<ribosome< protein<mitochondrion j j j j j j j




D) protein<aminoacid<mitochondrion<ribosome j j j j j j j




E) protein<ribosome<mitochondrion<aminoacid j j j j j j j




9. Thethree-dimensional structureofmacromoleculesisformedandmaintained primarily
j j j j j j j j j




throughnoncovalentinteractions. WhichoneofthefollowingisNOTconsidereda
j j j j j j j j j j j




jnoncovalentinteraction? j




A) carbon-carbon bonds j




B) hydrogenbonds j




C) hydrophobic interactions j




D) ionicinteractions j




E) vanderWaalsinteractions
j j j




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,10. WhichelementisNOTamongthefourmostabundantinlivingorganisms?
j j j j j j j j j j j




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


11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbontogivewhich
j j j j j j j j j j j j j




geometry?
j




A) linear
B) tetrahedral
C) trigonalbipyramidal j




D) trigonalplanar j




E) trigonalpyramidal j




12. Whatfunctionalgroupsarepresentonthismolecule?
j j j j j j j




A) etherand aldehyde
j j




B) hydroxylandaldehyde j j




C) hydroxyl andcarboxylic acid j j j




D) hydroxylandester j j




E) hydroxylandketone j j




13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
j j j j j j j j j j j j




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




E) proteins.


14. Stereoisomersthatarenonsuperimposablemirrorimagesofeachotherareknownas:
j j j j j j j j j j j




A) anomers.
B) cis-transisomers. j




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




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, 15. Thecatalogofallproteinsfunctioninginacellisthe:
j j j j j j j j j j




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

AnswerKey
j




1. B
2. D
3. D
4. C
5. E
6. A
7. B
8. D
9. E
10. E
11. D
12. A
13. D
14. A
15. A
16. C
17. B
18. C
19. A
20. D
21. B
22. C
23. D




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