Test Bank
Biochemistry, 6th Edition
by Reginald Garrett
Chapters 1-53| Latest Edition| 100% Verified Answers
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Chapter 01
The Facts of Life: Chemistry Is the Logic of Biological Phenomena
1. All are distinctive properties of living systems EXCEPT:
a. Living organisms are relatively simple.
b. Biological structures play a role in the organism's existence.
c. The living state is characterized by the flow of energy through the organism.
d. Living organisms are highly organized.
e. Living organisms are actively engaged in energy transformation.
Answer: a
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2. Even though the building blocks have fairly simple structures, macromolecules are
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exquisitely organized in their intricate three-dimensional architecture known as:
a. configuration.
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b. conformation.
c. sequence.
d. Lewis structure.
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e. structural maturation.
Answer: b
3. All of the following activities require the presence of ATP or NADPH EXCEPT:
a. osmoregulation.
b. biosynthesis.
c. movement of muscles.
d. light emission.
e. none, they are all energy-requiring activities.
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Answer: e
4. Which are the four most common elements in the human body?
a. hydrogen, calcium, oxygen and sodium
b. hydrogen, oxygen, iron and carbon
c. hydrogen, oxygen, carbon and nitrogen
d. oxygen, carbon, iron and nitrogen
e. oxygen, silicon, calcium and nitrogen
Answer: c
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5. What makes carbon such an abundant element in biomolecules?
a. It can form up to five bonds by sharing its electrons.
b. It forms only single bonds.
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c. It provides low bond energy.
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d. It forms stable covalent bonds by electron pair sharing.
e. It does not usually bond to other carbons, allowing a more diverse combination of
elements.
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Answer: d
6. The major precursors for the formation of biomolecules include all EXCEPT:
a. nitrate and dinitrogen.
b. water.
c. carbon dioxide.
d. ammonium ion.
e. none, all are major precursors.
Answer: e
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7. From the major precursors, the complex biomolecules are made in which sequence?
a. metabolites, building blocks, macromolecules, supramolecular complexes
b. macromolecules, building blocks, metabolites, supramolecular complexes
c. building blocks, macromolecules, supramolecular complexes, metabolites
d. metabolites, macromolecules, building blocks, supramolecular complexes
e. metabolites, building blocks, supramolecular complexes, macromolecules
Answer: a
8. The structural integrity of supramolecular complexes (assemblies) of multiple
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components are bonded to each other by all of the following forces EXCEPT:
a. covalent bonds LE
b. vans der Waals forces
c. hydrogen bonds
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d. hydrophobic interactions
e. ionic interactions
Answer: a
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9. Organelles have what three attributes?
a. Only in prokaryotic cells, membrane bound, have a dedicated set of tasks.
b. Only in eukaryotic cells, membrane bound, have a dedicated set of tasks.
c. Only in eukaryotic cells, seldom membrane bound, have a dedicated set of tasks.
d. Only in prokaryotic cells, membrane bound, multi-functional.
e. In both prokaryotic cells and eukaryotic cells, membrane bound, have a dedicated set of
tasks.
Answer: b
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