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