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