Page 1
ss
,Page 2
ss
, TestBank:LehningerPrinciplesofBiochemistry,7th
s s s s s s
Edition, David L. Nelson Chapters 1-28.
ss ss ss ss ss ss
1. In a bacterial cell, the DNA is in the:
ss ss ss ss ss ss ss ss
A) cell envelope. ss
B) cell membrane. ss
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
ss ss ss ss ss ss ss ss ss ss ss ss
development of:
ss ss
A) DNA.
B) photosynthetic capability. ss
C) plasma membranes. ss
D) ribosomes.
E) the nucleus. ss
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
ss ss ss ss ss ss ss ss ss ss ss
A) cell membrane. ss
B) nuclear envelope. ss
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
biomolecules necessary for function, and on the upper end by the rate of diffusion of
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
ss ss ss ss ss ss ss ss ss ss ss ss ss ss
diameters in the range of:
ss ss ss ss ss
A) 0.1 m to 10 m. ss ss ss ss
B) 0.3 m to 30 m. ss ss ss ss
C) 0.3 m to 100 m. ss ss ss ss
D) 1 m to 100 m.
ss ss ss ss
E) 1 m to 300 m.
ss ss ss ss
Page 3 ss
, 5. Which group of single-celled microorganisms has many members found growing in
ss ss ss ss ss ss ss ss ss ss
extreme environments?
ss ss
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
ss ss ss ss ss
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
ss ss ss ss ss ss ss ss ss ss ss ss
therefore a:
ss ss
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
ss ss ss ss ss
A) mitochondria, chromatin, endoplasmic reticulum ss ss ss
B) peroxisomes, lysosomes, plasma membrane ss ss ss
C) proteasomes, peroxisomes, lysosomes ss ss
D) mitochondria, endoplasmic reticulum, peroxisomes ss ss ss
E) All of the answers are correct.
ss ss ss ss ss
8. Which list has the cellular components arranged in order of INCREASING size?
ss ss ss ss ss ss ss ss ss ss ss
A) amino acid < protein < mitochondrion < ribosome
ss ss ss ss ss ss ss
B) amino acid < protein < ribosome < mitochondrion
ss ss ss ss ss ss ss
C) amino acid < ribosome < protein < mitochondrion
ss ss ss ss ss ss ss
D) protein < amino acid < mitochondrion < ribosome
ss ss ss ss ss ss ss
E) protein < ribosome < mitochondrion < amino acid
ss ss ss ss ss ss ss
9. The three-dimensional structure of macromolecules is formed and maintained primarily
ss ss ss ss ss ss ss ss ss
through noncovalent interactions. Which one of the following is NOT considered a
ss ss ss s s ss ss ss ss ss ss ss ss
noncovalent interaction?
ss ss
A) carbon-carbon bonds ss
B) hydrogen bonds ss
C) hydrophobic interactions ss
D) ionic interactions ss
E) van der Waals interactions
ss ss ss
Page 4 ss
ss
,Page 2
ss
, TestBank:LehningerPrinciplesofBiochemistry,7th
s s s s s s
Edition, David L. Nelson Chapters 1-28.
ss ss ss ss ss ss
1. In a bacterial cell, the DNA is in the:
ss ss ss ss ss ss ss ss
A) cell envelope. ss
B) cell membrane. ss
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
ss ss ss ss ss ss ss ss ss ss ss ss
development of:
ss ss
A) DNA.
B) photosynthetic capability. ss
C) plasma membranes. ss
D) ribosomes.
E) the nucleus. ss
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
ss ss ss ss ss ss ss ss ss ss ss
A) cell membrane. ss
B) nuclear envelope. ss
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
biomolecules necessary for function, and on the upper end by the rate of diffusion of
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
ss ss ss ss ss ss ss ss ss ss ss ss ss ss
diameters in the range of:
ss ss ss ss ss
A) 0.1 m to 10 m. ss ss ss ss
B) 0.3 m to 30 m. ss ss ss ss
C) 0.3 m to 100 m. ss ss ss ss
D) 1 m to 100 m.
ss ss ss ss
E) 1 m to 300 m.
ss ss ss ss
Page 3 ss
, 5. Which group of single-celled microorganisms has many members found growing in
ss ss ss ss ss ss ss ss ss ss
extreme environments?
ss ss
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
ss ss ss ss ss
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
ss ss ss ss ss ss ss ss ss ss ss ss
therefore a:
ss ss
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
ss ss ss ss ss
A) mitochondria, chromatin, endoplasmic reticulum ss ss ss
B) peroxisomes, lysosomes, plasma membrane ss ss ss
C) proteasomes, peroxisomes, lysosomes ss ss
D) mitochondria, endoplasmic reticulum, peroxisomes ss ss ss
E) All of the answers are correct.
ss ss ss ss ss
8. Which list has the cellular components arranged in order of INCREASING size?
ss ss ss ss ss ss ss ss ss ss ss
A) amino acid < protein < mitochondrion < ribosome
ss ss ss ss ss ss ss
B) amino acid < protein < ribosome < mitochondrion
ss ss ss ss ss ss ss
C) amino acid < ribosome < protein < mitochondrion
ss ss ss ss ss ss ss
D) protein < amino acid < mitochondrion < ribosome
ss ss ss ss ss ss ss
E) protein < ribosome < mitochondrion < amino acid
ss ss ss ss ss ss ss
9. The three-dimensional structure of macromolecules is formed and maintained primarily
ss ss ss ss ss ss ss ss ss
through noncovalent interactions. Which one of the following is NOT considered a
ss ss ss s s ss ss ss ss ss ss ss ss
noncovalent interaction?
ss ss
A) carbon-carbon bonds ss
B) hydrogen bonds ss
C) hydrophobic interactions ss
D) ionic interactions ss
E) van der Waals interactions
ss ss ss
Page 4 ss
