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

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Chapter 01 r




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.r r r r




e. Living organisms are actively engaged in energy transformation.
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- ANSWER:
r a


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




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




e. structural maturation. r




- ANSWER:
r b


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

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


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




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




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




d. oxygen, carbon, iron and nitrogen r r r r




e. oxygen, silicon, calcium and nitrogenr r r r




- ANSWER:
r 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 com
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bination of elements. r r




- ANSWER:
r d


6. The major precursors for the formation of biomolecules include all EX
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CEPT:
a. nitrate and dinitrogen. r r




b. water.
c. carbon dioxide. r

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d. ammonium ion. r




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


7. From the major precursors, the complex biomolecules are made in which seq
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uence?
a. metabolites, building blocks, macromolecules, supramolecular complexes
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b. macromolecules, building blocks, metabolites, supramolecular complexes
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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:
r a


8. The structural integrity of supramolecular complexes (assemblies) of m
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ultiple components are bonded to each other by all of the following forces EXCE
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PT:
a. covalent bonds r




b. van der Waals forces
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c. hydrogen bonds r




d. hydrophobic interactions r




e. ionic interactions
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- ANSWER:
r a


9. Organelles have what three attributes?
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a. Only in prokaryotic cells, membrane bound, have a dedicated set of tasks.
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