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Complete Test Bank Biochemistry 6th Edition Garrett Questions & Answers with rationales (Chapter 1-32)

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Complete Test Bank Biochemistry 6th Edition Garrett Questions & Answers with rationales (Chapter 1-32)

Institution
Biochemistry
Course
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April 24, 2025
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,Chapter01- The Facts of Life:Chemistry Is the Logicof 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

2. Even though the building blocks have fairly simple structures, macromolecules are exquisitely organized
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




in their intricate three-dimensional architecture known as:
|||||| |||||| |||||| |||||| |||||| ||||||




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




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. |||||| |||||| |||||| |||||| ||||||




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

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. |||||| |||||| |||||| ||||||




c. It provides low bond energy. |||||| |||||| |||||| ||||||




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.
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




ANSWER: d

6. The major precursors for the formation of biomolecules include all EXCEPT:
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Copyright Cengage Learning. Powered by Cognero.
|||||| |||||| |||||| |||||| |||||| Page 1 ||||||

,Chapter01- The Facts of Life:Chemistry Is the Logicof Biological Phenomena
| | |||||| | |||| |||||| | ||||| |||||| |||||| | || |||




a. nitrate and dinitrogen. |||||| ||||||




b. water.
c. carbon dioxide. ||||||




Copyright Cengage Learning. Powered by Cognero.
|||||| |||||| |||||| |||||| |||||| Page 2
||||||

, Chapter01- The Facts of Life:Chemistry Is the Logicof Biological Phenomena
| | |||||| | |||| |||||| | ||||| |||||| |||||| | || |||




d. ammonium ion. ||||||




e. none, all are major precursors. |||||| |||||| |||||| ||||||




ANSWER: e

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. buildingblocks, 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 components are bonded to each
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




other by all of the following forces EXCEPT:
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




a. covalent bonds ||||||




b. van der Waals forces |||||| |||||| ||||||




c. hydrogen bonds ||||||




d. hydrophobic interactions ||||||




e. ionic interactions ||||||




ANSWER: a

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

10. Membrane structures are maintained primarily by: |||||| |||||| |||||| |||||| ||||||




a. hydrophobic interactions. ||||




b. covalent bonds. ||||||




c. hydrogen bonds. ||||||




d. non-spontaneous assembly. ||||||




e. ionic interactions. ||||||




ANSWER: a

11. All of the following are properties of membranes EXCEPT:
|||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




a. supramolecular assemblies. ||||||




b. define boundaries of cellular components. |||||| |||||| |||||| ||||||




c. spontaneous assemblies resulting from hydrophobic interactions. |||||| |||||| |||||| |||||| ||||||




d. identical protein and lipid composition in the major organelles. |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Copyright Cengage Learning. Powered by Cognero.
|||||| |||||| |||||| |||||| |||||| Page 3 ||||||

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