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