Exam 5: Microbial Metabolism
Exam 1: The Microbial World and You56 Questions
Exam 2: Chemical Principles52 Questions
Exam 3: Observing Microorganisms Through a Microscope58 Questions
Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic Cells59 Questions
Exam 5: Microbial Metabolism64 Questions
Exam 6: Microbial Growth52 Questions
Exam 7: The Control of Microbial Growth63 Questions
Exam 8: Microbial Genetics58 Questions
Exam 9: Biotechnology and Dna Technology59 Questions
Exam 10: Classification of Microorganisms58 Questions
Exam 11: The Prokaryotes: Domains Bacteria and Archaea59 Questions
Exam 12: The Eukaryotes: Fungi, Algae, Protozoa, and Helminths58 Questions
Exam 13: Viruses, Viroids, and Prions62 Questions
Exam 14: Principles of Disease and Epidemiology60 Questions
Exam 15: Microbial Mechanisms of Pathogenicity58 Questions
Exam 16: Innate Immunity: Nonspecific Defenses of the Host59 Questions
Exam 17: Adaptive Immunity: Specific Defenses of the Host60 Questions
Exam 18: Practical Applications of Immunology58 Questions
Exam 19: Disorders Associated With the Immune System62 Questions
Exam 20: Antimicrobial Drugs60 Questions
Exam 21: Microbial Diseases of the Skin and Eyes59 Questions
Exam 22: Microbial Diseases of the Nervous System58 Questions
Exam 23: Microbial Diseases of the Cardiovascular and Lymphatic Systems59 Questions
Exam 24: Microbial Diseases of the Respiratory System58 Questions
Exam 25: Microbial Diseases of the Digestive System61 Questions
Exam 26: Microbial Disease of the Urinary and Reproductive Systems59 Questions
Exam 27: Environmental Microbiology58 Questions
Exam 28: Applied and Industrial Microbiology59 Questions
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Assume you are working for a chemical company and are responsible for growing a yeast culture that produces ethanol. The yeasts are growing well on the maltose medium but are not producing alcohol. What is the most likely explanation?
(Multiple Choice)
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Figure 5.1
Which compound is being reduced in the reaction shown in Figure 5.1?

(Multiple Choice)
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Figure 5.4
How is ATP generated in the reaction shown in Figure 5.4?

(Multiple Choice)
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The pentose phosphate pathway can be characterized as an anabolic pathway.
(True/False)
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Figure 5.7
The graph at the left in Figure 5.7 shows the reaction rate for an enzyme at its optimum temperature. Which graph shows enzyme activity at a higher temperature?

(Multiple Choice)
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Figure 5.6
The rates of o2 and glucose consumption by a bacterial culture are shown in Figure 5.6. Assume a bacterial culture was grown in a glucose medium without o2. Then o2 was added at the time marked X. The data indicate that

(Multiple Choice)
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A bacterial culture grown in a glucose-peptide medium causes the pH to increase. The bacteria are most likely
(Multiple Choice)
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You look in the refrigerator and find some orange drink you had forgotten was there. The drink now has an
ʺoffʺ taste and bubbles. What is the most likely explanation for the changes in the drink?
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Microorganisms that catabolize sugars into ethanol and hydrogen gas would most likely be categorized as
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An apoenzyme that loses its coenzyme subunit will be non -functional.
(True/False)
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Which of the following statements about substrate-level phosphorylation is FALSE?
(Multiple Choice)
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Figure 5.8
-Refer to Figure 5.8. In aerobic respiration, where is water formed?

(Multiple Choice)
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Which of the following statements are TRUE? 1- Electron carriers are located at ribosomes.
2- ATP is a common intermediate between catabolic and anabolic pathways.
3- ATP is used for the long-term storage of energy and so is often found in storage granules. 4-Anaerobic organisms are capable of generating ATP via respiration.
5-ATP can be generated by the flow of protons across protein channels.
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Figure 5.8
-In Figure 5.8, the path labeled ʺ2ʺ is the flow of

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In general, ATP is generated in catabolic pathways and expended in anabolic pathways.
(True/False)
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If a cell is starved for ATP, which of the following pathways would most likely be shut down?
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