Page 1
4i
, Test Bank: Lehninger Principles of Biochemistry, 8th Editio
4i 4i 4i 4i 4i 4i 4i
n, David L. Nelson Chapters 1-28. 4i 4i 4i 4i 4i
1. In a bacterial cell, the DNA is in the:
4i 4i 4i 4i 4i 4i 4i 4i
A) cell envelope. 4i
B) cell membrane. 4i
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
development of: 4i
A) DNA.
B) photosynthetic capability. 4i
C) plasma membranes. 4i
D) ribosomes.
E) the nucleus. 4i
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
A) cell membrane. 4i
B) nuclear envelope. 4i
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
biomolecules necessary for function, and on the upper end by the rate of diffusion of
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
diameters in the range of: 4i 4i 4i 4i
A) 0.1 m to 10 m. 4i 4i 4i 4i
B) 0.3 m to 30 m. 4i 4i 4i 4i
C) 0.3 m to 100 m. 4i 4i 4i 4i
D) 1 m to 100 m. 4i 4i 4i 4i
E) 1 m to 300 m. 4i 4i 4i 4i
Page 24i
,5. Which group of single-celled microorganisms has many members found growing in
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
extreme environments?
4i
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
4i 4i 4i 4i 4i
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
therefore a: 4i
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
4i 4i 4i 4i 4i
A) mitochondria, chromatin, endoplasmic reticulum 4i 4i 4i
B) peroxisomes, lysosomes, plasma membrane 4i 4i 4i
C) proteasomes, peroxisomes, lysosomes 4i 4i
D) mitochondria, endoplasmic reticulum, peroxisomes 4i 4i 4i
E) All of the answers are correct.
4i 4i 4i 4i 4i
8. Which list has the cellular components arranged in order of INCREASING size?
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
A) amino acid < protein < mitochondrion < ribosome
4i 4i 4i 4i 4i 4i 4i
B) amino acid < protein < ribosome < mitochondrion
4i 4i 4i 4i 4i 4i 4i
C) amino acid < ribosome < protein < mitochondrion
4i 4i 4i 4i 4i 4i 4i
D) protein < amino acid < mitochondrion < ribosome
4i 4i 4i 4i 4i 4i 4i
E) protein < ribosome < mitochondrion < amino acid
4i 4i 4i 4i 4i 4i 4i
9. The three-
4i
dimensional structure of macromolecules is formed and maintained primarily through n
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
oncovalent interactions. Which one of the following is NOT considered a
4i 4 i 4i 4i 4i 4i 4i 4i 4i 4i
noncovalent interaction? 4i
A) carbon-carbon bonds 4i
B) hydrogen bonds 4i
C) hydrophobic interactions 4i
D) ionic interactions 4i
Page 3 4i
, E) van der Waals interactions
4i 4i 4i
10. Which element is NOT among the four most abundant in living organisms?
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
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
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal 4i
D) trigonal planar 4i
E) trigonal pyramidal 4i
12. What functional groups are present on this molecule?
4i 4i 4i 4i 4i 4i 4i
A) ether and aldehyde
4i 4i
B) hydroxyl and aldehyde 4i 4i
C) hydroxyl and carboxylic acid
4i 4i 4i
D) hydroxyl and ester 4i 4i
E) hydroxyl and ketone 4i 4i
13. The macromolecules that serve in the storage and transmission of genetic information
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. 4i
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
Page 4 4i
4i
, Test Bank: Lehninger Principles of Biochemistry, 8th Editio
4i 4i 4i 4i 4i 4i 4i
n, David L. Nelson Chapters 1-28. 4i 4i 4i 4i 4i
1. In a bacterial cell, the DNA is in the:
4i 4i 4i 4i 4i 4i 4i 4i
A) cell envelope. 4i
B) cell membrane. 4i
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
development of: 4i
A) DNA.
B) photosynthetic capability. 4i
C) plasma membranes. 4i
D) ribosomes.
E) the nucleus. 4i
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
A) cell membrane. 4i
B) nuclear envelope. 4i
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
biomolecules necessary for function, and on the upper end by the rate of diffusion of
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
diameters in the range of: 4i 4i 4i 4i
A) 0.1 m to 10 m. 4i 4i 4i 4i
B) 0.3 m to 30 m. 4i 4i 4i 4i
C) 0.3 m to 100 m. 4i 4i 4i 4i
D) 1 m to 100 m. 4i 4i 4i 4i
E) 1 m to 300 m. 4i 4i 4i 4i
Page 24i
,5. Which group of single-celled microorganisms has many members found growing in
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
extreme environments?
4i
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
4i 4i 4i 4i 4i
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
therefore a: 4i
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
4i 4i 4i 4i 4i
A) mitochondria, chromatin, endoplasmic reticulum 4i 4i 4i
B) peroxisomes, lysosomes, plasma membrane 4i 4i 4i
C) proteasomes, peroxisomes, lysosomes 4i 4i
D) mitochondria, endoplasmic reticulum, peroxisomes 4i 4i 4i
E) All of the answers are correct.
4i 4i 4i 4i 4i
8. Which list has the cellular components arranged in order of INCREASING size?
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
A) amino acid < protein < mitochondrion < ribosome
4i 4i 4i 4i 4i 4i 4i
B) amino acid < protein < ribosome < mitochondrion
4i 4i 4i 4i 4i 4i 4i
C) amino acid < ribosome < protein < mitochondrion
4i 4i 4i 4i 4i 4i 4i
D) protein < amino acid < mitochondrion < ribosome
4i 4i 4i 4i 4i 4i 4i
E) protein < ribosome < mitochondrion < amino acid
4i 4i 4i 4i 4i 4i 4i
9. The three-
4i
dimensional structure of macromolecules is formed and maintained primarily through n
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
oncovalent interactions. Which one of the following is NOT considered a
4i 4 i 4i 4i 4i 4i 4i 4i 4i 4i
noncovalent interaction? 4i
A) carbon-carbon bonds 4i
B) hydrogen bonds 4i
C) hydrophobic interactions 4i
D) ionic interactions 4i
Page 3 4i
, E) van der Waals interactions
4i 4i 4i
10. Which element is NOT among the four most abundant in living organisms?
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
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
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal 4i
D) trigonal planar 4i
E) trigonal pyramidal 4i
12. What functional groups are present on this molecule?
4i 4i 4i 4i 4i 4i 4i
A) ether and aldehyde
4i 4i
B) hydroxyl and aldehyde 4i 4i
C) hydroxyl and carboxylic acid
4i 4i 4i
D) hydroxyl and ester 4i 4i
E) hydroxyl and ketone 4i 4i
13. The macromolecules that serve in the storage and transmission of genetic information
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. 4i
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
4i 4i 4i 4i 4i 4i 4i 4i 4i 4i 4i
Page 4 4i
