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

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Chapter 01 xz




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:
xz 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: xz xz xz




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




e. structural maturation. xz




- ANSWER:
xz 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. xz xz

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


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




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




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




b. water.
c. carbon dioxide. xz

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d. ammonium ion. xz




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




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:
xz 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 xz




b. van der Waals forces
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c. hydrogen bonds xz




d. hydrophobic interactions xz




e. ionic interactions xz




- ANSWER:
xz a


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




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