Page 1
fl
, Test Bank: LehningerPrinciples of Biochemistry, 8th Edition
fl fl fl fl fl fl fl
, David L. Nelson Chapters 1-28. fl fl fl fl fl
1. In a bacterial cell, the DNA is in the:
fl fl fl fl fl fl fl fl
A) cell envelope. fl
B) cell membrane. fl
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
fl fl fl fl fl fl fl fl fl fl fl fl
development of: fl
A) DNA.
B) photosynthetic capability. fl
C) plasma membranes. fl
D) ribosomes.
E) the nucleus. fl
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
fl fl fl fl fl fl fl fl fl fl fl
A) cell membrane. fl
B) nuclear envelope. fl
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of b
fl fl fl fl fl fl fl fl fl fl fl fl fl fl fl fl
iomolecules necessary for function, and on the upper end by the rate of diffusion of
fl fl fl fl fl fl fl fl fl fl fl fl fl fl
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and di
fl fl fl fl fl fl fl fl fl fl fl fl fl fl
ameters in the range of: fl fl fl fl
A) 0.1 m to 10 m. fl fl fl fl
B) 0.3 m to 30 m. fl fl fl fl
C) 0.3 m to 100 m. fl fl fl fl
D) 1 m to 100 m.fl fl fl fl
E) 1 m to 300 m.fl fl fl fl
Page 2 fl
,5. Which group of single-celled microorganisms has many members found growing in
fl fl fl fl fl fl fl fl fl fl
extreme environments?
fl
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
fl fl fl fl fl
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
fl fl fl fl fl fl fl fl fl fl fl fl
therefore a: fl
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
fl fl fl fl fl
A) mitochondria, chromatin, endoplasmic reticulum fl fl fl
B) peroxisomes, lysosomes, plasma membrane fl fl fl
C) proteasomes, peroxisomes, lysosomes fl fl
D) mitochondria, endoplasmic reticulum, peroxisomes fl fl fl
E) All of the answers are correct.
fl fl fl fl fl
8. Which list has the cellular components arranged in order of INCREASING size?
fl fl fl fl fl fl fl fl fl fl fl
A) amino acid < protein < mitochondrion < ribosome
fl fl fl fl fl fl fl
B) amino acid < protein < ribosome < mitochondrion
fl fl fl fl fl fl fl
C) amino acid < ribosome < protein < mitochondrion
fl fl fl fl fl fl fl
D) protein < amino acid < mitochondrion < ribosome
fl fl fl fl fl fl fl
E) protein < ribosome < mitochondrion < amino acid
fl fl fl fl fl fl fl
9. The three-
fl
dimensional structure of macromolecules is formed and maintained primarily through no
fl fl fl fl fl fl fl fl fl fl
ncovalent interactions. Which one of the following is NOT considered a
fl f l fl fl fl fl fl fl fl fl
noncovalent interaction? fl
A) carbon-carbon bonds fl
B) hydrogen bonds fl
C) hydrophobic interactions fl
D) ionic interactions fl
Page 3 fl
, E) van der Waals interactions
fl fl fl
10. Which element is NOT among the four most abundant in living organisms?
fl fl fl fl fl fl fl fl fl fl fl
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
fl fl fl fl fl fl fl fl fl fl fl fl fl
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal fl
D) trigonal planar fl
E) trigonal pyramidal fl
12. What functional groups are present on this molecule?
fl fl fl fl fl fl fl
A) ether and aldehyde
fl fl
B) hydroxyl and aldehyde fl fl
C) hydroxyl and carboxylic acid fl fl fl
D) hydroxyl and ester fl fl
E) hydroxyl and ketone fl fl
13. The macromolecules that serve in the storage and transmission of genetic information
fl fl fl fl fl fl fl fl fl fl fl
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. fl
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
fl fl fl fl fl fl fl fl fl fl fl
Page 4 fl
fl
, Test Bank: LehningerPrinciples of Biochemistry, 8th Edition
fl fl fl fl fl fl fl
, David L. Nelson Chapters 1-28. fl fl fl fl fl
1. In a bacterial cell, the DNA is in the:
fl fl fl fl fl fl fl fl
A) cell envelope. fl
B) cell membrane. fl
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
fl fl fl fl fl fl fl fl fl fl fl fl
development of: fl
A) DNA.
B) photosynthetic capability. fl
C) plasma membranes. fl
D) ribosomes.
E) the nucleus. fl
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
fl fl fl fl fl fl fl fl fl fl fl
A) cell membrane. fl
B) nuclear envelope. fl
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of b
fl fl fl fl fl fl fl fl fl fl fl fl fl fl fl fl
iomolecules necessary for function, and on the upper end by the rate of diffusion of
fl fl fl fl fl fl fl fl fl fl fl fl fl fl
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and di
fl fl fl fl fl fl fl fl fl fl fl fl fl fl
ameters in the range of: fl fl fl fl
A) 0.1 m to 10 m. fl fl fl fl
B) 0.3 m to 30 m. fl fl fl fl
C) 0.3 m to 100 m. fl fl fl fl
D) 1 m to 100 m.fl fl fl fl
E) 1 m to 300 m.fl fl fl fl
Page 2 fl
,5. Which group of single-celled microorganisms has many members found growing in
fl fl fl fl fl fl fl fl fl fl
extreme environments?
fl
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
fl fl fl fl fl
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
fl fl fl fl fl fl fl fl fl fl fl fl
therefore a: fl
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
fl fl fl fl fl
A) mitochondria, chromatin, endoplasmic reticulum fl fl fl
B) peroxisomes, lysosomes, plasma membrane fl fl fl
C) proteasomes, peroxisomes, lysosomes fl fl
D) mitochondria, endoplasmic reticulum, peroxisomes fl fl fl
E) All of the answers are correct.
fl fl fl fl fl
8. Which list has the cellular components arranged in order of INCREASING size?
fl fl fl fl fl fl fl fl fl fl fl
A) amino acid < protein < mitochondrion < ribosome
fl fl fl fl fl fl fl
B) amino acid < protein < ribosome < mitochondrion
fl fl fl fl fl fl fl
C) amino acid < ribosome < protein < mitochondrion
fl fl fl fl fl fl fl
D) protein < amino acid < mitochondrion < ribosome
fl fl fl fl fl fl fl
E) protein < ribosome < mitochondrion < amino acid
fl fl fl fl fl fl fl
9. The three-
fl
dimensional structure of macromolecules is formed and maintained primarily through no
fl fl fl fl fl fl fl fl fl fl
ncovalent interactions. Which one of the following is NOT considered a
fl f l fl fl fl fl fl fl fl fl
noncovalent interaction? fl
A) carbon-carbon bonds fl
B) hydrogen bonds fl
C) hydrophobic interactions fl
D) ionic interactions fl
Page 3 fl
, E) van der Waals interactions
fl fl fl
10. Which element is NOT among the four most abundant in living organisms?
fl fl fl fl fl fl fl fl fl fl fl
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
fl fl fl fl fl fl fl fl fl fl fl fl fl
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal fl
D) trigonal planar fl
E) trigonal pyramidal fl
12. What functional groups are present on this molecule?
fl fl fl fl fl fl fl
A) ether and aldehyde
fl fl
B) hydroxyl and aldehyde fl fl
C) hydroxyl and carboxylic acid fl fl fl
D) hydroxyl and ester fl fl
E) hydroxyl and ketone fl fl
13. The macromolecules that serve in the storage and transmission of genetic information
fl fl fl fl fl fl fl fl fl fl fl
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. fl
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
fl fl fl fl fl fl fl fl fl fl fl
Page 4 fl
