Page k1
, Test Bank: Lehninger Principles of Biochemistry, 8th
k k k k k k
Edition, David L. Nelson Chapters 1-28.
k k k k k k
1. In ka kbacterial kcell, kthe kDNA kis kin
kthe:
A) cell kenvelope.
B) cell kmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A kmajor kchange koccurring kin kthe kevolution kof keukaryotes kfrom kprokaryotes kwas
kthe
development kof:
A) DNA.
B) photosynthetic kcapability.
C) plasma kmembranes.
D) ribosomes.
E) the knucleus.
3. In keukaryotes, kthe knucleus kis kenclosed kby ka kdouble kmembrane kcalled
kthe:
A) cell kmembrane.
B) nuclear kenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The kdimensions kof kliving kcells kare klimited, kon kthe klower kend kby kthe kminimum
knumber kof kbiomolecules knecessary kfor kfunction, kand kon kthe kupper kend kby kthe krate
kof kdiffusion kof
solutes ksuch kas koxygen. kExcept kfor khighly kelongated kcells, kthey kusually khave klengths
kand kdiameters kin kthe krange kof:
A) 0.1 km kto k10 km.
B) 0.3 km kto k30 km.
C) 0.3 km kto k100 km.
D) 1 km kto k100 km.
E) 1 km kto k300 km.
Page k2
,5. Which kgroup kof ksingle-celled kmicroorganisms khas kmany kmembers kfound kgrowing
kin
extreme kenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None kof kthe kanswers kis kcorrect.
6. The kbacterium kE. kcoli krequires ksimple korganic kmolecules kfor kgrowth kand kenergy—
it kis
therefore ka:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which kis ka klist kof korganelles?
A) mitochondria, kchromatin, kendoplasmic kreticulum
B) peroxisomes, klysosomes, kplasma kmembrane
C) proteasomes, kperoxisomes, klysosomes
D) mitochondria, kendoplasmic kreticulum,
kperoxisomes
E) All kof kthe kanswers kare kcorrect.
8. Which klist khas kthe kcellular kcomponents karranged kin korder kof kINCREASING
ksize?
A) amino kacid k< kprotein k< kmitochondrion k< kribosome
B) amino kacid k< kprotein k< kribosome k< kmitochondrion
C) amino kacid k< kribosome k< kprotein k< kmitochondrion
D) protein k< kamino kacid k< kmitochondrion k< kribosome
E) protein k< kribosome k< kmitochondrion k< kamino kacid
9. The kthree-dimensional kstructure kof kmacromolecules kis kformed kand kmaintained
kprimarily kthrough knoncovalent kinteractions. k Which kone kof kthe kfollowing kis kNOT
kconsidered ka
noncovalent kinteraction?
A) carbon-carbon kbonds
Page k3
, B) hydrogen kbonds
C) hydrophobic kinteractions
D) ionic kinteractions
E) van kder kWaals kinteractions
10. Which kelement kis kNOT kamong kthe kfour kmost kabundant kin kliving
korganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The kfour kcovalent kbonds kin kmethane k(CH4) kare karranged karound kcarbon kto kgive
kwhich
geometry?
A) linear
B) tetrahedral
C) trigonal kbipyramidal
D) trigonal kplanar
E) trigonal kpyramidal
12. What kfunctional kgroups kare kpresent kon kthis
kmolecule?
A) ether kand kaldehyde
B) hydroxyl kand kaldehyde
C) hydroxyl kand kcarboxylic kacid
D) hydroxyl kand kester
E) hydroxyl kand kketone
13. The kmacromolecules kthat kserve kin kthe kstorage kand ktransmission kof kgenetic
kinformation
are:
A) carbohydrates.
B) lipids.
Page k4
, Test Bank: Lehninger Principles of Biochemistry, 8th
k k k k k k
Edition, David L. Nelson Chapters 1-28.
k k k k k k
1. In ka kbacterial kcell, kthe kDNA kis kin
kthe:
A) cell kenvelope.
B) cell kmembrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A kmajor kchange koccurring kin kthe kevolution kof keukaryotes kfrom kprokaryotes kwas
kthe
development kof:
A) DNA.
B) photosynthetic kcapability.
C) plasma kmembranes.
D) ribosomes.
E) the knucleus.
3. In keukaryotes, kthe knucleus kis kenclosed kby ka kdouble kmembrane kcalled
kthe:
A) cell kmembrane.
B) nuclear kenvelope.
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The kdimensions kof kliving kcells kare klimited, kon kthe klower kend kby kthe kminimum
knumber kof kbiomolecules knecessary kfor kfunction, kand kon kthe kupper kend kby kthe krate
kof kdiffusion kof
solutes ksuch kas koxygen. kExcept kfor khighly kelongated kcells, kthey kusually khave klengths
kand kdiameters kin kthe krange kof:
A) 0.1 km kto k10 km.
B) 0.3 km kto k30 km.
C) 0.3 km kto k100 km.
D) 1 km kto k100 km.
E) 1 km kto k300 km.
Page k2
,5. Which kgroup kof ksingle-celled kmicroorganisms khas kmany kmembers kfound kgrowing
kin
extreme kenvironments?
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None kof kthe kanswers kis kcorrect.
6. The kbacterium kE. kcoli krequires ksimple korganic kmolecules kfor kgrowth kand kenergy—
it kis
therefore ka:
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which kis ka klist kof korganelles?
A) mitochondria, kchromatin, kendoplasmic kreticulum
B) peroxisomes, klysosomes, kplasma kmembrane
C) proteasomes, kperoxisomes, klysosomes
D) mitochondria, kendoplasmic kreticulum,
kperoxisomes
E) All kof kthe kanswers kare kcorrect.
8. Which klist khas kthe kcellular kcomponents karranged kin korder kof kINCREASING
ksize?
A) amino kacid k< kprotein k< kmitochondrion k< kribosome
B) amino kacid k< kprotein k< kribosome k< kmitochondrion
C) amino kacid k< kribosome k< kprotein k< kmitochondrion
D) protein k< kamino kacid k< kmitochondrion k< kribosome
E) protein k< kribosome k< kmitochondrion k< kamino kacid
9. The kthree-dimensional kstructure kof kmacromolecules kis kformed kand kmaintained
kprimarily kthrough knoncovalent kinteractions. k Which kone kof kthe kfollowing kis kNOT
kconsidered ka
noncovalent kinteraction?
A) carbon-carbon kbonds
Page k3
, B) hydrogen kbonds
C) hydrophobic kinteractions
D) ionic kinteractions
E) van kder kWaals kinteractions
10. Which kelement kis kNOT kamong kthe kfour kmost kabundant kin kliving
korganisms?
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The kfour kcovalent kbonds kin kmethane k(CH4) kare karranged karound kcarbon kto kgive
kwhich
geometry?
A) linear
B) tetrahedral
C) trigonal kbipyramidal
D) trigonal kplanar
E) trigonal kpyramidal
12. What kfunctional kgroups kare kpresent kon kthis
kmolecule?
A) ether kand kaldehyde
B) hydroxyl kand kaldehyde
C) hydroxyl kand kcarboxylic kacid
D) hydroxyl kand kester
E) hydroxyl kand kketone
13. The kmacromolecules kthat kserve kin kthe kstorage kand ktransmission kof kgenetic
kinformation
are:
A) carbohydrates.
B) lipids.
Page k4