Test Bank: Lehninger Principles of Biochemistry, 7th Edition, David L. Nelson Chapters 1-28.Test Bank: Lehninger Principles of Biochemistry, 7th Edition, David L. Nelson Chapters 1-28.Test Bank: Lehninger Principles of Biochemistry, 7th Edition, David L. Nelson Chapters 1-28.
Test Bank: Lehninger Principles of Biochemistry, 7th
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Edition, David L. Nelson Chapters 1-28.
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1. In0a0bacterial0cell,0the0DNA0is0in0the:
A) cell0envelope.
B) cell0membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A0major0change0occurring0in0the0evolution0of0eukaryotes0from0prokaryotes0was0the0
development0of:
A) DNA.
B) photosynthetic0capability.
C) plasma0membranes.
D) ribosomes.
E) the0nucleus.
3. In0eukaryotes,0the0nucleus0is0enclosed0by0a0double0membrane0called0the:
A) cell0membrane.
B) nuclear0envelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The0dimensions0of0living0cells0are0limited,0on0the0lower0end0by0theqminimum0number0of0
biomolecules0necessary0for0function,0and0on0the0upper0end0by0the0rate0of0diffusion0of0so
lutes0such0as0oxygen.0Except0forqhighly0elongated0cells,0they0usually0have0lengths0and
diameters0in0the0range0of:
A) 0.10m0to0100m.
B) 0.30m0to0300m.
C) 0.30m0to01000m.
D) 10m0to01000m.
E) 10m0to03000m.
Page 1
,5. Which0group0of0single-
celled0microorganisms0has0many0members0found0growing0in0extreme0environments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None0of0the0answers0is0correct.
6. The0bacterium0E.0coli0requires0simple0organic0molecules0forqgrowth0and0energy—
it0is0therefore0a:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which0is0a0list0of0organelles?
A) mitochondria,0chromatin,0endoplasmic0reticulum
B) peroxisomes,0lysosomes,0plasma0membrane
C) proteasomes,0peroxisomes,0lysosomes
D) mitochondria,0endoplasmic0reticulum,0peroxisomes
E) All0of0the0answers0are0correct.
8. Which0list0has0the0cellular0components0arranged0in0order0of0INCREASING0size?
A) amino0acid0<0protein0<0mitochondrion0<0ribosome
B) amino0acid0<0protein0<0ribosome0<0mitochondrion
C) amino0acid0<0ribosome0<0protein0<0mitochondrion
D) protein0<0amino0acid0<0mitochondrion0<0ribosome
E) protein0<0ribosome0<0mitochondrion0<0amino0acid
9. The0three-
dimensional0structure0of0macromolecules0is0formed0and0maintained0primarilythrough0n0
oncovalent0interactions.0Which0one0of0the0followingqis0NOT0considered0a
noncovalent0interaction?
A) carbon-carbon0bonds
B) hydrogen0bonds
C) hydrophobic0interactions
D) ionic0interactions
E) van0der0Waals0interactions
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,10. Which0element0is0NOT0among0the0four0most0abundant0in0living0organisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The0four0covalent0bonds0in0methane0(CH4)0are0arranged0around0carbon0to0give0which0
geometry?
A) linear
B) tetrahedral
C) trigonal0bipyramidal
D) trigonal0planar
E) trigonal0pyramidal
A) etherqand0aldehyde
B) hydroxyl0and0aldehyde
C) hydroxyl0and0carboxylic0acid
D) hydroxyl0and0ester
E) hydroxyl0and0ketone
13. The0macromolecules0that0serve0in0the0storage0and0transmission0of0genetic0information0
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic0acids.
E) proteins.
14. Stereoisomers0that0are0nonsuperimposable0mirror0images0of0each0other0are0known0as:
A) anomers.
B) cis-trans0isomers.
C) diastereoisomers.
D) enantiomers.
E) geometric0isomers.
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, 15. The0catalog0of0all0proteins0functioning0in0a0cell0is0the:
A) metabolome.
B) proteasome.
C) lysosome.
D) proteome.
E) genome.
Answer0Key
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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