TestBank:LehningerPrinciplesofBiochemistry,8th
Edition, David L. Nelson Chapters 1-28. h h h h h h
1. Inabacterialcell,theDNAisin the:
h h h h h h h h
A) cellenvelope. h
B) cellmembrane. h
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
h h h h h h h h h h h h
developmentof:
h h
A) DNA.
B) photosynthetic capability. h
C) plasmamembranes. h
D) ribosomes.
E) thenucleus. h
3. Ineukaryotes,the nucleus isenclosedb ya double membranecalledthe:
h h h h h h h h h h
A) cellmembrane. h
B) nuclear envelope. h
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Thedimensions of livingcellsarelimited,on thelowerend bytheminimumnumberof
h h h h h h h h h h h h h h
biomolecules necessary for function, and on the upper end by the rate of diffusion of
h h h h h h h h h h h h h h h
solutessuchasoxygen. Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
h h h h h h h h h h
diameters in the range of:
h h h h h
A) 0.1mto10 m. h h h h
B) 0.3mto30 m. h h h h
C) 0.3mto100 m. h h h h
D) 1mto100 m. h h h h
E) 1mto300 m. h h h h
Page 1 h
,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
h h h h h h h h h h
extreme environments?
h h
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneof theanswers iscorrect. h h h h h
6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
h h h h h h h h h h h h
thereforea:
h h
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Whichisalistof organelles?
h h h h h
A) mitochondria,chromatin,endoplasmicreticulum h h h
B) peroxisomes, lysosomes, plasma membrane h h h
C) proteasomes, peroxisomes, lysosomes h h
D) mitochondria, endoplasmic reticulum, peroxisomes h h h
E) All of theanswers arecorrect.
h h h h h
8. Whichlisthasthecellularcomponents arrangedin orderof INCREASING size?
h h h h h h h h h h h
A) aminoacid<protein <mitochondrion< ribosome
h h h h h h h
B) aminoacid<protein <ribosome< mitochondrion
h h h h h h h
C) aminoacid<ribosome< protein<mitochondrion
h h h h h h h
D) protein<amino acid <mitochondrion<ribosomeh h h h h h h
E) protein<ribosome <mitochondrion <amino acid
h h h h h h h
9. Thethree-dimensional structureofmacromolecules is formed and maintained primarily
h h h h h h h h h
through noncovalentinteractions. WhichoneofthefollowingisNOT considereda
h h h h h h h h h h h
noncovalentinteraction?
h h
A) carbon-carbon bonds h
B) hydrogen bonds h
C) hydrophobic interactions h
D) ionicinteractions h
E) vanderWaalsinteractions
h h h
Page 2 h
,10. WhichelementisNOT amongthe fourmost abundantin livingorganisms?
h h h h h h h h h h h
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbonto givewhich
h h h h h h h h h h h h h
geometry?
h
A) linear
B) tetrahedral
C) trigonal bipyramidal h
D) trigonal planar h
E) trigonal pyramidal h
12. Whatfunctionalgroups arepresenton this molecule?
h h h h h h h
A) etherand aldehyde
h h
B) hydroxyl and aldehyde h h
C) hydroxyl and carboxylic acid h h h
D) hydroxyl and ester h h
E) hydroxyl and ketone h h
13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
h h h h h h h h h h h h
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. h
E) proteins.
14. Stereoisomersthatarenonsuperimposable mirrorimagesof eachotherare known as:
h h h h h h h h h h h
A) anomers.
B) cis-trans isomers. h
C) diastereoisomers.
D) enantiomers.
E) geometric isomers. h
Page 3h
, 15. Thecatalogofallproteins functioningina cell isthe:
h h h h h h h h h h
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
AnswerKey
h
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
Page 4 h
Edition, David L. Nelson Chapters 1-28. h h h h h h
1. Inabacterialcell,theDNAisin the:
h h h h h h h h
A) cellenvelope. h
B) cellmembrane. h
C) nucleoid.
D) nucleus.
E) ribosomes.
2. Amajorchangeoccurringintheevolutionofeukaryotesfromprokaryoteswasthe
h h h h h h h h h h h h
developmentof:
h h
A) DNA.
B) photosynthetic capability. h
C) plasmamembranes. h
D) ribosomes.
E) thenucleus. h
3. Ineukaryotes,the nucleus isenclosedb ya double membranecalledthe:
h h h h h h h h h h
A) cellmembrane. h
B) nuclear envelope. h
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. Thedimensions of livingcellsarelimited,on thelowerend bytheminimumnumberof
h h h h h h h h h h h h h h
biomolecules necessary for function, and on the upper end by the rate of diffusion of
h h h h h h h h h h h h h h h
solutessuchasoxygen. Exceptforhighlyelongatedcells,theyusuallyhavelengthsand
h h h h h h h h h h
diameters in the range of:
h h h h h
A) 0.1mto10 m. h h h h
B) 0.3mto30 m. h h h h
C) 0.3mto100 m. h h h h
D) 1mto100 m. h h h h
E) 1mto300 m. h h h h
Page 1 h
,5. Whichgroupofsingle-celledmicroorganismshasmanymembersfoundgrowingin
h h h h h h h h h h
extreme environments?
h h
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) Noneof theanswers iscorrect. h h h h h
6. ThebacteriumE.colirequiressimpleorganicmoleculesforgrowthandenergy—itis
h h h h h h h h h h h h
thereforea:
h h
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Whichisalistof organelles?
h h h h h
A) mitochondria,chromatin,endoplasmicreticulum h h h
B) peroxisomes, lysosomes, plasma membrane h h h
C) proteasomes, peroxisomes, lysosomes h h
D) mitochondria, endoplasmic reticulum, peroxisomes h h h
E) All of theanswers arecorrect.
h h h h h
8. Whichlisthasthecellularcomponents arrangedin orderof INCREASING size?
h h h h h h h h h h h
A) aminoacid<protein <mitochondrion< ribosome
h h h h h h h
B) aminoacid<protein <ribosome< mitochondrion
h h h h h h h
C) aminoacid<ribosome< protein<mitochondrion
h h h h h h h
D) protein<amino acid <mitochondrion<ribosomeh h h h h h h
E) protein<ribosome <mitochondrion <amino acid
h h h h h h h
9. Thethree-dimensional structureofmacromolecules is formed and maintained primarily
h h h h h h h h h
through noncovalentinteractions. WhichoneofthefollowingisNOT considereda
h h h h h h h h h h h
noncovalentinteraction?
h h
A) carbon-carbon bonds h
B) hydrogen bonds h
C) hydrophobic interactions h
D) ionicinteractions h
E) vanderWaalsinteractions
h h h
Page 2 h
,10. WhichelementisNOT amongthe fourmost abundantin livingorganisms?
h h h h h h h h h h h
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. Thefourcovalentbondsinmethane(CH4)arearrangedaroundcarbonto givewhich
h h h h h h h h h h h h h
geometry?
h
A) linear
B) tetrahedral
C) trigonal bipyramidal h
D) trigonal planar h
E) trigonal pyramidal h
12. Whatfunctionalgroups arepresenton this molecule?
h h h h h h h
A) etherand aldehyde
h h
B) hydroxyl and aldehyde h h
C) hydroxyl and carboxylic acid h h h
D) hydroxyl and ester h h
E) hydroxyl and ketone h h
13. Themacromoleculesthatserveinthestorageandtransmissionofgeneticinformation are:
h h h h h h h h h h h h
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. h
E) proteins.
14. Stereoisomersthatarenonsuperimposable mirrorimagesof eachotherare known as:
h h h h h h h h h h h
A) anomers.
B) cis-trans isomers. h
C) diastereoisomers.
D) enantiomers.
E) geometric isomers. h
Page 3h
, 15. Thecatalogofallproteins functioningina cell isthe:
h h h h h h h h h h
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
AnswerKey
h
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
Page 4 h
