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

TestBank:LehningerPrinciplesofBiochemistry,8th
Edition, David L. Nelson Chapters 1-28. .l0 .l0 .l0 .l0 .l0 .l0




1. Inabacterialcell,theDNAisin the:
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A) cell envelope. .l0




B) cell membrane. .l0




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


2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
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developmentof:
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A) DNA.
B) photosynthetic capability. . l0




C) plasmamembranes. .l0




D) ribosomes.
E) thenucleus. .l0




3. Ineukaryotes,the nucleus isenclosedb ya double membranecalledthe:
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A) cell membrane. .l0




B) nuclear envelope. .l0




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


4. Thedimensions of livingcellsarelimited,on thelowerend bytheminimumnumberof
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biomolecules necessary for function, and on the upper end by the rate of diffusion of
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solutessuchasoxygen. Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
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diameters in the range of:
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A) 0.1mto10 m. .l0 .l0 .l0 .l0




B) 0.3mto30 m. .l0 .l0 .l0 .l0




C) 0.3mto100 m. .l0 .l0 .l0 .l0




D) 1mto100 m. .l0 .l0 .l0 .l0




E) 1mto300 m. .l0 .l0 .l0 .l0




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,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
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extreme environments?
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A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneof theanswers is correct. .l0 .l0 .l0 .l0 .l0




6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
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thereforea:
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A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.


7. Whichisalistof organelles?
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A) mitochondria,chromatin,endoplasmicreticulum .l0 .l0 .l0




B) peroxisomes, lysosomes, plasma membrane .l0 .l0 .l0




C) proteasomes, peroxisomes, lysosomes .l0 .l0




D) mitochondria, endoplasmic reticulum, peroxisomes .l0 .l0 .l0




E) All of theanswers arecorrect.
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8. Whichlisthasthecellularcomponents arrangedin orderof INCREASING size?
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A) aminoacid<protein <mitochondrion< ribosome .l0 .l0 .l0 .l0 .l0 .l0 .l0




B) aminoacid<protein <ribosome< mitochondrion .l0 .l0 .l0 .l0 .l0 .l0 .l0




C) aminoacid<ribosome< protein< mitochondrion .l0 .l0 .l0 .l0 .l0 .l0 .l0




D) protein<amino acid <mitochondrion<ribosome .l0 .l0 .l0 .l0 .l0 .l0 .l0




E) protein<ribosome <mitochondrion <amino acid .l0 .l0 .l0 .l0 .l0 .l0 .l0




9. Thethree-dimensional structureof macromolecules is formed and maintained primarily
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through noncovalentinteractions.
.l0 WhichoneofthefollowingisNOT considereda .l0 . l 0 .l0 .l0 .l0 .l0 .l0 .l0 .l0 .l0




noncovalentinteraction?
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A) carbon-carbon bonds .l0




B) hydrogen bonds .l0




C) hydrophobic interactions .l0




D) ionicinteractions .l0




E) vanderWaalsinteractions .l0 .l0 .l0




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,10. WhichelementisNOT amongthe fourmost abundantin livingorganisms?
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A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus


11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbonto givewhich
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geometry?
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A) linear
B) tetrahedral
C) trigonal bipyramidal .l0




D) trigonal planar .l0




E) trigonal pyramidal .l0




12. Whatfunctionalgroups arepresent on thismolecule?
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A) etherand aldehyde .l0 .l0




B) hydroxyl and aldehyde .l0 .l0




C) hydroxyl and carboxylic acid .l0 .l0 .l0




D) hydroxyl and ester .l0 .l0




E) hydroxyl and ketone .l0 .l0




13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
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A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. .l0




E) proteins.


14. Stereoisomersthatarenonsuperimposable mirrorimagesof eachotherare known as:
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A) anomers.
B) cis-trans isomers. .l0




C) diastereoisomers.
D) enantiomers.
E) geometric isomers. .l0




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, 15. Thecatalogofallproteins functioningina cell isthe:
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A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.

AnswerKey
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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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