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

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




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




B) cell membrane. lq




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


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




C) plasmamembranes. lq




D) ribosomes.
E) thenucleus. lq




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




B) nuclear envelope. lq




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. lq lq lq lq




B) 0.3mto30 m. lq lq lq lq




C) 0.3mto100 m. lq lq lq lq




D) 1mto100 m. lq lq lq lq




E) 1mto300 m. lq lq lq lq




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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. lq lq lq lq lq




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 lq lq lq




B) peroxisomes, lysosomes, plasma membrane lq lq lq




C) proteasomes, peroxisomes, lysosomes lq lq




D) mitochondria, endoplasmic reticulum, peroxisomes lq lq lq




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




B) aminoacid<protein <ribosome< mitochondrion lq lq lq lq lq lq lq




C) aminoacid<ribosome< protein< mitochondrion lq lq lq lq lq lq lq




D) protein<amino acid <mitochondrion< ribosome lq lq lq lq lq lq lq




E) protein<ribosome <mitochondrion <amino acid lq lq lq lq lq lq lq




9. Thethree-dimensional structureofmacromolecules is formed and maintained primarily
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through noncovalentinteractions. WhichoneofthefollowingisNOT considereda
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noncovalentinteraction?
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A) carbon-carbon bonds lq




B) hydrogen bonds lq




C) hydrophobic interactions lq




D) ionicinteractions lq




E) vanderWaalsinteractions
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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 lq




D) trigonal planar lq




E) trigonal pyramidal lq




12. Whatfunctionalgroups arepresent on thismolecule?
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A) etherand aldehyde
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B) hydroxyl and aldehyde lq lq




C) hydroxyl and carboxylic acid lq lq lq




D) hydroxyl and ester lq lq




E) hydroxyl and ketone lq lq




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




E) proteins.


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




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




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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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