Question 1

Figure 5.3
 
-How would a noncompetitive inhibitor interfere with a reaction involving the enzyme shown in Figure 5.3?

Accepted Answer

A)   It would bind to a.
B)   It would bind to b.
C)   It would bind to c.
D)   It would bind to d.
E)   The answer cannot be determined based on the information provided.

Question 2

Both respiration and photosynthesis use water molecules for the donation of hydrogen ions.

Accepted Answer

A) True 
 B)False

Question 3

You look in the refrigerator and find some orange drink you had forgotten was there. The drink now has an "off" taste and bubbles. What is the most likely explanation for the changes in the drink?

Accepted Answer

The most likely explanation for the chan...

Question 4

Once an enzyme has converted substrates into products, the active site reverts back to its original form.

Accepted Answer

A) True 
 B)False

Question 5

Figure 5.4
 
-How is ATP generated in the reaction shown in Figure 5.4?

Accepted Answer

A)   photophosphorylation
B)   oxidative phosphorylation
C)   substrate- level phosphorylation
D)   fermentation
E)   glycolysis

Question 6

Figure 5.8
 
-In Figure 5.8, the path labeled "2" is the flow of

Accepted Answer

A)   water.
B)   glucose.
C)   protons.
D)   energy.
E)   electrons.

Question 7

Which of the following uses glucose for carbon and energy?

Accepted Answer

A)   chemoheterotroph
B)   photoheterotroph
C)   photoautotroph
D)   chemoautotroph

Question 8

Which of the following statements about beta oxidation is FALSE?

Accepted Answer

A)   It is a method of catabolizing fatty acids.
B)   It is a step in glycolysis.
C)   It is used in petroleum degradation.
D)   It involves the formation of acetyl- CoA.
E)   It involves the formation of 2- carbon units.

Question 9

Catabolic reactions are generally degradative and hydrolytic.

Accepted Answer

A) True 
 B)False

Question 10

Figure 5.8
 +. D)  ATP synthase. E)  cytoplasm." class="answers-bank-image d-inline" rel="preload" >
-In Figure 5.8, the structure labeled "1" is

Accepted Answer

A)   a cell wall.
B)   a plasma membrane.
C)   NAD+.
D)   ATP synthase.
E)   cytoplasm.

Question 11

Which of the following statements regarding the Entner- Doudoroff pathway is TRUE?

Accepted Answer

A)   ATP is generated.
B)   NADH is generated.
C)   It involves the pentose phosphate pathway.
D)   It involves glycolysis.
E)   NADH and ATP are generated.

Question 12

Figure 5.8
 
-Refer to Figure 5.8. In aerobic respiration, where is water formed?

Accepted Answer

A)   a
B)   b
C)   c
D)   d
E)   e D

Question 13

Cyanobacteria are a type of

Accepted Answer

A)   photoheterotroph.
B)   chemoautotroph.
C)   chemoheterotroph.
D)   photoautotroph.

Question 14

Which of the following statements regarding the glycolysis pathway is FALSE?

Accepted Answer

A)   Two NADH molecules are generated.
B)   One molecule of ATP is expended.
C)   Two molecules of water are generated.
D)   Two pyruvate molecules are generated.
E)   Four ATP molecules are generated via substrate- level phosphorylation.

Question 15

Figure 5.6
 2 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 A)  these bacteria don't use O2. B)  these bacteria cannot grow anaerobically. C)  aerobic metabolism is more efficient than fermentation. D)  these bacteria get more energy anaerobically." class="answers-bank-image d-inline" rel="preload" >
-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

Accepted Answer

A)   these bacteria don't use O2.
B)   these bacteria cannot grow anaerobically.
C)   aerobic metabolism is more efficient than fermentation.
D)   these bacteria get more energy anaerobically.

Question 16

Both respiration and photosynthesis require the use of an electron transport chain.

Accepted Answer

A) True 
 B)False

Question 17

Fatty acids are oxidized in

Accepted Answer

A)   the pentose phosphate pathway.
B)   the electron transport chain.
C)   the Entner- Doudoroff pathway.
D)   the Krebs cycle.
E)   glycolysis. D

Question 18

In general, ATP is generated in catabolic pathways and expended in anabolic pathways.

Accepted Answer

A) True 
 B)False

Question 19

A bacterial culture grown in a glucose- peptide medium causes the pH to increase. The bacteria are most likely

Accepted Answer

A)   oxidizing the glucose.
B)   using the peptides.
C)   fermenting the glucose.
D)   not growing.

Question 20

Which of the following statements about photophosphorylation is FALSE?

Accepted Answer

A)   Energy from oxidation reactions is used to generate ATP from ADP.
B)   Light liberates an electron from chlorophyll.
C)   It occurs in photosynthesizing cells.
D)   The oxidation of carrier molecules releases energy.
E)   It requires CO2. E

Exam 5: Microbial Metabolism

Figure 5.3 -How would a noncompetitive inhibitor interfere with a reaction involving the enzyme shown in Figure 5.3?

Correct AnswerverifiedShow Answer

Both respiration and photosynthesis use water molecules for the donation of hydrogen ions.

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You look in the refrigerator and find some orange drink you had forgotten was there. The drink now has an "off" taste and bubbles. What is the most likely explanation for the changes in the drink?

Correct AnswerAnswered by ExamLex AIThe most likely explanation for the chan...View AnswerShow Answer

Once an enzyme has converted substrates into products, the active site reverts back to its original form.

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Figure 5.4 -How is ATP generated in the reaction shown in Figure 5.4?

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Figure 5.8 -In Figure 5.8, the path labeled "2" is the flow of

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Which of the following uses glucose for carbon and energy?

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Which of the following statements about beta oxidation is FALSE?

Correct AnswerverifiedShow Answer

Catabolic reactions are generally degradative and hydrolytic.

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Figure 5.8 -In Figure 5.8, the structure labeled "1" is

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Which of the following statements regarding the Entner- Doudoroff pathway is TRUE?

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Figure 5.8 -Refer to Figure 5.8. In aerobic respiration, where is water formed?

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Cyanobacteria are a type of

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Which of the following statements regarding the glycolysis pathway is FALSE?

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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

Correct AnswerverifiedShow Answer

Both respiration and photosynthesis require the use of an electron transport chain.

Correct AnswerverifiedShow Answer

Fatty acids are oxidized in

Correct AnswerverifiedD

In general, ATP is generated in catabolic pathways and expended in anabolic pathways.

Correct AnswerverifiedShow Answer

A bacterial culture grown in a glucose- peptide medium causes the pH to increase. The bacteria are most likely

Correct AnswerverifiedShow Answer

Which of the following statements about photophosphorylation is FALSE?

Correct AnswerverifiedE

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Answered by ExamLex AI
The most likely explanation for the chan...
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D

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Figure 5.6 -The rates of O₂and 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 O₂was added at the time marked X. The data indicate that

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D

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E