Test Bank- Biochemistry 7th Edition ( Reginald Garrett, 2024) All Chapters 1- 32|| Newest Edition

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Chapter 01 zx




The Facts of Life: Chemistry Is the Logic of Biological Phenomena
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1. All are distinctive properties of living systems EXCEPT:
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a. Living organisms are relatively simple.
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b. Biological structures play a role in the organism's existence.
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c. The living state is characterized by the flow of energy through the organism.
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d. Living organisms are highly organized.
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e. Living organisms are actively engaged in energy transformation.
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- ANSWER:
zx a


2. Even though the building blocks have fairly simple structures, macro
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molecules are exquisitely organized in their intricate three-
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dimensional architecture known as: zx zx zx




a. configuration.
b. conformation.
c. sequence.
d. Lewis structure. zx




e. structural maturation. zx




- ANSWER:
zx b


3. All of the following activities require the presence of ATP or NADPH
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EXCEPT:
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a. osmoregulation.
b. biosynthesis.
c. movement of muscles. zx zx

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d. light emission.
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e. none, they are all energy-requiring activities.
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- ANSWER:
zx e


4. Which are the four most common elements in the human body?
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a. hydrogen, calcium, oxygen and sodium zx zx zx zx




b. hydrogen, oxygen, iron and carbon zx zx zx zx




c. hydrogen, oxygen, carbon and nitrogen zx zx zx zx




d. oxygen, carbon, iron and nitrogen
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e. oxygen, silicon, calcium and nitrogen
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- ANSWER:
zx c


5. What makes carbon such an abundant element in biomolecules?
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a. It can form up to five bonds by sharing its electrons.
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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.
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e. It does not usually bond to other carbons, allowing a more diverse
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combination of elements.
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- ANSWER:
zx d


6. The major precursors for the formation of biomolecules include all
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EXCEPT:
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a. nitrate and dinitrogen. zx zx




b. water.
c. carbon dioxide. zx

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d. ammonium ion. zx




e. none, all are major precursors.
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- ANSWER:
zx e


7. From the major precursors, the complex biomolecules are made in which
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sequence?
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a. metabolites, building blocks, macromolecules, supramolecular complexes
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b. macromolecules, building blocks, metabolites, supramolecular complexes zx zx zx zx zx




c. building blocks, macromolecules, supramolecular complexes, metabolites
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d. metabolites, macromolecules, building blocks, supramolecular complexes
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e. metabolites, building blocks, supramolecular complexes, macromolecules
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- ANSWER:
zx a


8. The structural integrity of supramolecular complexes (assemblies) of
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multiple components are bonded to each other by all of the following force
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s EXCEPT:
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a. covalent bonds zx




b. van der Waals forces
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c. hydrogen bonds zx




d. hydrophobic interactions zx




e. ionic interactions zx




- ANSWER:
zx a


9. Organelles have what three attributes? zx zx zx zx




a. Only in prokaryotic cells, membrane bound, have a dedicated set of tasks.
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