TEST BANK for Cell Molecular Approach 8th Edition by Cooper.
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Nursing
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Johns Hopkins University
Book
The Cell
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, Test Bank
to accompany
The Cell: A Molecular Approach, Eighth Edition
Geoffrey M. Cooper
Chapter 1: An Overview of Cells and Cell Research
TEST FILE QUESTIONS
Multiple Choice
1. RNA is believed to have been the original genetic system because it can
a. form a stable double helix with a complementary nucleic acid strand.
b. catalyze the polymerization of nucleotides into another RNA strand.
c. form ribosomes.
d. transfer amino acids to ribosomes.
Answer: b
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Explain how the first cell originated.
2. The initial importance of membrane-enclosing, self-replicating RNA molecules and
associated proteins was that they
a. maintained these molecules as a unit capable of reproduction and evolution.
b. provided sites for proteins to function.
c. transported materials in and out of the compartment.
d. kept other molecules out of the compartment.
Answer: a
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Explain how the first cell originated.
3. Stanley Miller applied electric sparks to a reducing atmosphere of methane, ammonia,
water, and hydrogen, and the resulting products showed that under these conditions,
a. amino acids can form.
b. nucleotides can form.
c. amino acids can polymerize into polypeptides.
d. nucleotides can polymerize into nucleic acids.
Answer: a
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Describe the major steps in evolution of metabolism.
,4. Which energy-producing process is thought to have come first during cellular
evolution?
a. Photosynthesis
b. Glycolysis
c. Oxidative phosphorylation
d. Proteolysis
Answer: b
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Describe the major steps in evolution of metabolism.
5. At the time life arose on Earth, Earth’s atmosphere contained abundant amounts of all
of the following except
a. H2.
b. N2.
c. O2.
d. H2S.
Answer: c
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 1. Remembering
Learning Objective: Describe the major steps in evolution of metabolism.
6. Organisms that evolved the ability to use H2O as a donor of electrons and hydrogen for
the photosynthetic conversion of CO2 to organic compounds radically changed Earth by
producing
a. sugar.
b. cellulose.
c. H2.
d. O2.
Answer: d
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Describe the major steps in evolution of metabolism.
7. The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence
of _______ in eukaryotic cells.
a. ribosomes
b. oxidative phosphorylation
c. RNA molecules
d. a nucleus
Answer: d
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 1. Remembering
Learning Objective: Illustrate the structures of eukaryotic and prokaryotic cells.
, a. absent in prokaryotic cells and present in eukaryotic cells.
b. present in both prokaryotic and eukaryotic cells.
c. present in prokaryotic cells and absent in eukaryotic cells.
d. absent in both prokaryotic and eukaryotic cells.
Answer: a
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Illustrate the structures of eukaryotic and prokaryotic cells.
9. The eukaryotic nucleus contains _______ DNA molecule(s).
a. a single linear
b. a single circular
c. multiple linear
d. multiple circular
Answer: c
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 1. Remembering
Learning Objective: Illustrate the structures of eukaryotic and prokaryotic cells.
10. The bacterial genome is located in a portion of the cell called the
a. nucleus.
b. nucleolus.
c. mesosome.
d. nucleoid.
Answer: d
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 1. Remembering
Learning Objective: Illustrate the structures of eukaryotic and prokaryotic cells.
11. Eukaryotic cell nuclei contain genes that are
a. primarily of bacterial origin.
b. primarily of archaebacterial origin.
c. partly archaebacterial and partly bacterial in origin.
d. all of eukaryotic origin.
Answer: c
Textbook Reference: The Origin and Evolution of Cells
Bloom’s Category: 2. Understanding
Learning Objective: Illustrate the structures of eukaryotic and prokaryotic cells.
12. Organelles such as mitochondria and chloroplasts are thought to have originated in
eukaryotic cells via a process called
a. phagocytosis.
b. endosymbiosis.
c. endocytosis.
d. exocytosis.
Answer: b
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