Page 1
2i
, Test Bank: Lehninger Principles of Biochemistry, 8th Editio
2i 2i 2i 2i 2i 2i 2i
n, David L. Nelson Chapters 1-28. 2i 2i 2i 2i 2i
1. In a bacterial cell, the DNA is in the:
2i 2i 2i 2i 2i 2i 2i 2i
A) cell envelope. 2i
B) cell membrane. 2i
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
development of: 2i
A) DNA.
B) photosynthetic capability. 2i
C) plasma membranes. 2i
D) ribosomes.
E) the nucleus. 2i
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
A) cell membrane. 2i
B) nuclear envelope. 2i
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
biomolecules necessary for function, and on the upper end by the rate of diffusion of
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
diameters in the range of: 2i 2i 2i 2i
A) 0.1 m to 10 m. 2i 2i 2i 2i
B) 0.3 m to 30 m. 2i 2i 2i 2i
C) 0.3 m to 100 m. 2i 2i 2i 2i
D) 1 m to 100 m. 2i 2i 2i 2i
E) 1 m to 300 m. 2i 2i 2i 2i
Page 22i
,5. Which group of single-celled microorganisms has many members found growing in
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
extreme environments?
2i
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
2i 2i 2i 2i 2i
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
therefore a: 2i
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
2i 2i 2i 2i 2i
A) mitochondria, chromatin, endoplasmic reticulum 2i 2i 2i
B) peroxisomes, lysosomes, plasma membrane 2i 2i 2i
C) proteasomes, peroxisomes, lysosomes 2i 2i
D) mitochondria, endoplasmic reticulum, peroxisomes 2i 2i 2i
E) All of the answers are correct.
2i 2i 2i 2i 2i
8. Which list has the cellular components arranged in order of INCREASING size?
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
A) amino acid < protein < mitochondrion < ribosome
2i 2i 2i 2i 2i 2i 2i
B) amino acid < protein < ribosome < mitochondrion
2i 2i 2i 2i 2i 2i 2i
C) amino acid < ribosome < protein < mitochondrion
2i 2i 2i 2i 2i 2i 2i
D) protein < amino acid < mitochondrion < ribosome
2i 2i 2i 2i 2i 2i 2i
E) protein < ribosome < mitochondrion < amino acid
2i 2i 2i 2i 2i 2i 2i
9. The three-
2i
dimensional structure of macromolecules is formed and maintained primarily through n
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
oncovalent interactions. Which one of the following is NOT considered a
2i 2 i 2i 2i 2i 2i 2i 2i 2i 2i
noncovalent interaction? 2i
A) carbon-carbon bonds 2i
B) hydrogen bonds 2i
C) hydrophobic interactions 2i
D) ionic interactions 2i
Page 3 2i
, E) van der Waals interactions
2i 2i 2i
10. Which element is NOT among the four most abundant in living organisms?
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
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
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal 2i
D) trigonal planar 2i
E) trigonal pyramidal 2i
12. What functional groups are present on this molecule?
2i 2i 2i 2i 2i 2i 2i
A) ether and aldehyde
2i 2i
B) hydroxyl and aldehyde 2i 2i
C) hydroxyl and carboxylic acid
2i 2i 2i
D) hydroxyl and ester 2i 2i
E) hydroxyl and ketone 2i 2i
13. The macromolecules that serve in the storage and transmission of genetic information
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. 2i
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
Page 4 2i
2i
, Test Bank: Lehninger Principles of Biochemistry, 8th Editio
2i 2i 2i 2i 2i 2i 2i
n, David L. Nelson Chapters 1-28. 2i 2i 2i 2i 2i
1. In a bacterial cell, the DNA is in the:
2i 2i 2i 2i 2i 2i 2i 2i
A) cell envelope. 2i
B) cell membrane. 2i
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
development of: 2i
A) DNA.
B) photosynthetic capability. 2i
C) plasma membranes. 2i
D) ribosomes.
E) the nucleus. 2i
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
A) cell membrane. 2i
B) nuclear envelope. 2i
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
biomolecules necessary for function, and on the upper end by the rate of diffusion of
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
solutes such as oxygen. Except for highly elongated cells, they usually have lengths and
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
diameters in the range of: 2i 2i 2i 2i
A) 0.1 m to 10 m. 2i 2i 2i 2i
B) 0.3 m to 30 m. 2i 2i 2i 2i
C) 0.3 m to 100 m. 2i 2i 2i 2i
D) 1 m to 100 m. 2i 2i 2i 2i
E) 1 m to 300 m. 2i 2i 2i 2i
Page 22i
,5. Which group of single-celled microorganisms has many members found growing in
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
extreme environments?
2i
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct.
2i 2i 2i 2i 2i
6. The bacterium E. coli requires simple organic molecules for growth and energy—it is
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
therefore a: 2i
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
2i 2i 2i 2i 2i
A) mitochondria, chromatin, endoplasmic reticulum 2i 2i 2i
B) peroxisomes, lysosomes, plasma membrane 2i 2i 2i
C) proteasomes, peroxisomes, lysosomes 2i 2i
D) mitochondria, endoplasmic reticulum, peroxisomes 2i 2i 2i
E) All of the answers are correct.
2i 2i 2i 2i 2i
8. Which list has the cellular components arranged in order of INCREASING size?
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
A) amino acid < protein < mitochondrion < ribosome
2i 2i 2i 2i 2i 2i 2i
B) amino acid < protein < ribosome < mitochondrion
2i 2i 2i 2i 2i 2i 2i
C) amino acid < ribosome < protein < mitochondrion
2i 2i 2i 2i 2i 2i 2i
D) protein < amino acid < mitochondrion < ribosome
2i 2i 2i 2i 2i 2i 2i
E) protein < ribosome < mitochondrion < amino acid
2i 2i 2i 2i 2i 2i 2i
9. The three-
2i
dimensional structure of macromolecules is formed and maintained primarily through n
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
oncovalent interactions. Which one of the following is NOT considered a
2i 2 i 2i 2i 2i 2i 2i 2i 2i 2i
noncovalent interaction? 2i
A) carbon-carbon bonds 2i
B) hydrogen bonds 2i
C) hydrophobic interactions 2i
D) ionic interactions 2i
Page 3 2i
, E) van der Waals interactions
2i 2i 2i
10. Which element is NOT among the four most abundant in living organisms?
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
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
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
geometry?
A) linear
B) tetrahedral
C) trigonal bipyramidal 2i
D) trigonal planar 2i
E) trigonal pyramidal 2i
12. What functional groups are present on this molecule?
2i 2i 2i 2i 2i 2i 2i
A) ether and aldehyde
2i 2i
B) hydroxyl and aldehyde 2i 2i
C) hydroxyl and carboxylic acid
2i 2i 2i
D) hydroxyl and ester 2i 2i
E) hydroxyl and ketone 2i 2i
13. The macromolecules that serve in the storage and transmission of genetic information
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
are:
A) carbohydrates.
B) lipids.
C) membranes.
D) nucleic acids. 2i
E) proteins.
14. Stereoisomers that are nonsuperimposable mirror images of each other are known as:
2i 2i 2i 2i 2i 2i 2i 2i 2i 2i 2i
Page 4 2i
