Page 1
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, Test Bank: Lehninger Principles of Biochemistry, 8th
hu hu hu hu hu hu
Edition, David L. Nelson Chapters 1-28.
hu hu hu hu hu hu
1. In a bacterial cell, the DNA is
hu hu hu hu hu hu
in the:
hu hu
A) cell envelope. h u
B) cell membrane. h u
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes
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was the
hu h u
development of: h u
A) DNA.
B) photosynthetic capability. h u
C) plasma membranes. h u
D) ribosomes.
E) the nucleus. h u
3. In eukaryotes, the nucleus is enclosed by a double membrane
hu hu hu hu hu hu hu hu hu
called the:
hu h u
A) cell membrane. h u
B) nuclear envelope. h u
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the
hu h u h u h u h u hu h u h u hu h u h u hu
minimum number of biomolecules necessary for function, and on the
h u hu h u h u h u h u h u h u h u h u
upper end by the rate of diffusion of
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solutes such as oxygen. Except for highly elongated cells, they usually have
hu hu hu hu hu hu hu hu hu hu hu
lengths and diameters in the range of:
hu h u hu hu hu hu hu
A) 0.1 m to 10 m. h u h u hu h u
B) 0.3 m to 30 m. h u h u hu h u
C) 0.3 m to 100 m. h u h u hu h u
D) 1 m to 100 m.
h u h u hu h u
E) 1 m to 300 m.
h u h u hu h u
Page 2 h u
,5. Which group of single-celled microorganisms has many members found
hu hu hu hu hu hu hu hu
growing in
hu h u
extreme environments? h u
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
hu h u h u h u h u
6. The bacterium E. coli requires simple organic molecules for growth and
hu h u hu hu h u hu h u h u h u h u
h uenergy—it is hu
therefore a: hu
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
h u h u h u h u h u
A) mitochondria, chromatin, endoplasmic h u h u
reticulum
h u
B) peroxisomes, lysosomes, plasma membrane hu h u h u
C) proteasomes, peroxisomes, lysosomes h u h u
D) mitochondria, endoplasmic reticulum, hu hu
peroxisomes
hu
E) All of the answers are correct.
h u h u h u h u h u
8. Which list has the cellular components arranged in order of
hu hu hu hu hu hu hu hu hu
INCREASING size?
h u h u
A) amino acid < protein < mitochondrion < ribosome
h u h u h u h u h u h u h u
B) amino acid < protein < ribosome < mitochondrion
h u h u h u h u h u h u h u
C) amino acid < ribosome < protein < mitochondrion
h u h u h u h u h u h u h u
D) protein < amino acid < mitochondrion < ribosome
h u h u h u h u h u h u h u
E) protein < ribosome < mitochondrion < amino acid
h u h u h u h u h u h u h u
9. The three-dimensional structure of macromolecules is formed and maintained
hu hu hu hu hu hu hu hu
primarily through noncovalent interactions. Which one of the following
hu h u h u h u h u hu hu hu hu
is NOT considered a
h u h u hu hu
noncovalent interaction? h u
Page 3
h u
, A) carbon-carbon bonds hu
B) hydrogen bonds h u
C) hydrophobic interactions h u
D) ionic interactions h u
E) van der Waals interactions
h u h u h u
10. Which element is NOT among the four most abundant in
hu hu hu hu hu hu hu hu hu
living organisms?
hu h u
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The four covalent bonds in methane (CH4) are arranged around carbon
hu h u h u h u h u hu h u h u h u h u
to give which
hu h u hu
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal hu
D) trigonal planar hu
E) trigonal pyramidal hu
12. What functional groups are present on
hu hu hu hu hu
this molecule?
hu hu
A) ether and aldehyde hu h u
B) hydroxyl and aldehyde h u h u
C) hydroxyl and carboxylic acid h u hu h u
D) hydroxyl and ester h u h u
E) hydroxyl and ketone h u h u
13. The macromolecules that serve in the storage and transmission of
hu hu hu hu hu hu hu hu hu
hugenetic information h u
are:
A) carbohydrates.
Page 4 h u
h u
, Test Bank: Lehninger Principles of Biochemistry, 8th
hu hu hu hu hu hu
Edition, David L. Nelson Chapters 1-28.
hu hu hu hu hu hu
1. In a bacterial cell, the DNA is
hu hu hu hu hu hu
in the:
hu hu
A) cell envelope. h u
B) cell membrane. h u
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes
hu hu hu hu hu hu hu hu hu hu
was the
hu h u
development of: h u
A) DNA.
B) photosynthetic capability. h u
C) plasma membranes. h u
D) ribosomes.
E) the nucleus. h u
3. In eukaryotes, the nucleus is enclosed by a double membrane
hu hu hu hu hu hu hu hu hu
called the:
hu h u
A) cell membrane. h u
B) nuclear envelope. h u
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the
hu h u h u h u h u hu h u h u hu h u h u hu
minimum number of biomolecules necessary for function, and on the
h u hu h u h u h u h u h u h u h u h u
upper end by the rate of diffusion of
h u h u h u h u h u hu hu hu
solutes such as oxygen. Except for highly elongated cells, they usually have
hu hu hu hu hu hu hu hu hu hu hu
lengths and diameters in the range of:
hu h u hu hu hu hu hu
A) 0.1 m to 10 m. h u h u hu h u
B) 0.3 m to 30 m. h u h u hu h u
C) 0.3 m to 100 m. h u h u hu h u
D) 1 m to 100 m.
h u h u hu h u
E) 1 m to 300 m.
h u h u hu h u
Page 2 h u
,5. Which group of single-celled microorganisms has many members found
hu hu hu hu hu hu hu hu
growing in
hu h u
extreme environments? h u
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
hu h u h u h u h u
6. The bacterium E. coli requires simple organic molecules for growth and
hu h u hu hu h u hu h u h u h u h u
h uenergy—it is hu
therefore a: hu
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
h u h u h u h u h u
A) mitochondria, chromatin, endoplasmic h u h u
reticulum
h u
B) peroxisomes, lysosomes, plasma membrane hu h u h u
C) proteasomes, peroxisomes, lysosomes h u h u
D) mitochondria, endoplasmic reticulum, hu hu
peroxisomes
hu
E) All of the answers are correct.
h u h u h u h u h u
8. Which list has the cellular components arranged in order of
hu hu hu hu hu hu hu hu hu
INCREASING size?
h u h u
A) amino acid < protein < mitochondrion < ribosome
h u h u h u h u h u h u h u
B) amino acid < protein < ribosome < mitochondrion
h u h u h u h u h u h u h u
C) amino acid < ribosome < protein < mitochondrion
h u h u h u h u h u h u h u
D) protein < amino acid < mitochondrion < ribosome
h u h u h u h u h u h u h u
E) protein < ribosome < mitochondrion < amino acid
h u h u h u h u h u h u h u
9. The three-dimensional structure of macromolecules is formed and maintained
hu hu hu hu hu hu hu hu
primarily through noncovalent interactions. Which one of the following
hu h u h u h u h u hu hu hu hu
is NOT considered a
h u h u hu hu
noncovalent interaction? h u
Page 3
h u
, A) carbon-carbon bonds hu
B) hydrogen bonds h u
C) hydrophobic interactions h u
D) ionic interactions h u
E) van der Waals interactions
h u h u h u
10. Which element is NOT among the four most abundant in
hu hu hu hu hu hu hu hu hu
living organisms?
hu h u
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
11. The four covalent bonds in methane (CH4) are arranged around carbon
hu h u h u h u h u hu h u h u h u h u
to give which
hu h u hu
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal hu
D) trigonal planar hu
E) trigonal pyramidal hu
12. What functional groups are present on
hu hu hu hu hu
this molecule?
hu hu
A) ether and aldehyde hu h u
B) hydroxyl and aldehyde h u h u
C) hydroxyl and carboxylic acid h u hu h u
D) hydroxyl and ester h u h u
E) hydroxyl and ketone h u h u
13. The macromolecules that serve in the storage and transmission of
hu hu hu hu hu hu hu hu hu
hugenetic information h u
are:
A) carbohydrates.
Page 4 h u
