Question 1

Figure 5.2 
-What type of reaction is in Figure 5.2?

Accepted Answer

A)  decarboxylation
B)  transamination
C)  dehydrogenation
D)  oxidation
E)  reductionF) A) and B)
G) A) and C)

Question 2

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

Accepted Answer

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

Question 3

In green and purple bacteria,electrons to reduce CO₂ can come from

Accepted Answer

A)  CO₂.
B)  H₂O.
C)  C₆H₁₂O₆.
D)  H₂S.
E)  chlorophyll.F) A) and D)
G) A) and B)

Question 4

Microorganisms that catabolize sugars into ethanol and hydrogen gas would most likely be categorized as

Accepted Answer

A)  aerobic respirers.
B)  anaerobic respirers.
C)  heterolactic fermenters.
D)  homolactic fermenters.
E)  alcohol fermenters.F) A) and E)
G) None of the above

Question 5

Which statements correspond to amphibolic pathways? 1.Anabolic and catabolic reactions are joined through common intermediate.
2) They are shared metabolic pathways.
3) Feedback inhibition can help regulate rates of reactions.
4) Both types of reactions are necessary but do not occur simultaneously.

Accepted Answer

A)  1 only
B)  1,2,3
C)  1,2,3,4
D)  2,4
E)  2,3,4F) B) and D)
G) B) and C)

Question 6

The advantage of the pentose phosphate pathway is that it produces all of the following EXCEPT

Accepted Answer

A)  precursors for nucleic acids.
B)  precursors for the synthesis of glucose.
C)  three ATPs.
D)  NADPH.
E)  precursors for the synthesis of amino acids.F) A) and D)
G) A) and C)

Question 7

Compare and contrast photophosphorylation and oxidative phosphorylation.

Accepted Answer

Photophosphorylation and oxidative phosp...

Question 8

If a cell is starved for ATP,which of the following pathways would most likely be shut down?

Accepted Answer

A)  Krebs cycle
B)  glycolysis
C)  pentose phosphate pathway
D)  Krebs cycle and glycolysisE) B) and C)
F) None of the above

Question 9

Which of the following has bacteriochlorophylls and uses alcohols for carbon?

Accepted Answer

A)  chemoautotroph
B)  chemoheterotroph
C)  photoautotroph
D)  photoheterotrophE) None of the above
F) A) and B)

Question 10

Researchers are developing a ribozyme that cleaves the HIV genome.This pharmaceutical agent could be described as

Accepted Answer

A)  an RNA molecule capable of catalysis.
B)  a hydrolase.
C)  a genetic transposable element.
D)  a protease inhibitor.
E)  a competitive inhibitor for reverse transcriptase.F) B) and D)
G) B) and E)

Question 11

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.

Accepted Answer

A)  2,4,5
B)  1,3,4
C)  2,3,5
D)  1,2,3
E)  All of the statements are true.F) C) and D)
G) B) and D)

Question 12

Figure 5.5 
-Which of the graphs in Figure 5.5 best illustrates the activity of an enzyme that is saturated with substrate?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) C) and D)
G) C) and E)

Question 13

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

Accepted Answer

A)  electrons.
B)  protons.
C)  energy.
D)  water.
E)  glucose.F) B) and C)
G) None of the above

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

A bacterium that only possesses the ability to ferment obtains energy

Accepted Answer

A)  by glycolysis only.
B)  by aerobic respiration only.
C)  by fermentation or aerobic respiration.
D)  only in the absence of oxygen.
E)  only in the presence of oxygen.F) C) and E)
G) A) and E)

Question 16

What is the fate of pyruvic acid in an organism that uses aerobic respiration?

Accepted Answer

A)  It is reduced to lactic acid.
B)  It reacts with oxaloacetate to form citrate.
C)  It is oxidized in the electron transport chain.
D)  It is catabolized in glycolysis.
E)  It is converted into acetyl CoA.F) None of the above
G) A) and E)

Question 17

Which of the following statements regarding metabolism is FALSE?

Accepted Answer

A)  Heat may be released in both anabolic and catabolic reactions.
B)  ATP is formed in catabolic reactions.
C)  ADP is formed in anabolic reactions.
D)  Anabolic reactions are degradative.E) A) and D)
F) All of the above

Question 18

Catabolic reactions are generally degradative and hydrolytic.

Accepted Answer

A) True 
 B)False

Question 19

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)  eF) C) and D)
G) A) and E)

Question 20

Figure 5.8
 
-What is the most acidic place in Figure 5.8?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) C) and D)
G) B) and E)

Exam 5: Microbial Metabolism

Catabolic reactions are generally degradative and hydrolytic.

Correct Answer
verified

Compare and contrast photophosphorylation and oxidative phosphorylation.

Correct Answer
Answered by ExamLex AI
Photophosphorylation and oxidative phosp...
View Answer

Figure 5.8 -What is the most acidic place in Figure 5.8?

Correct Answer
verified

Correct Answer
verified

Which statements correspond to amphibolic pathways? 1.Anabolic and catabolic reactions are joined through common intermediate. 2) They are shared metabolic pathways. 3) Feedback inhibition can help regulate rates of reactions. 4) Both types of reactions are necessary but do not occur simultaneously.

Correct Answer
verified

What is the fate of pyruvic acid in an organism that uses aerobic respiration?

Correct Answer
verified

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

Correct Answer
verified

If a cell is starved for ATP,which of the following pathways would most likely be shut down?

Correct Answer
verified

The advantage of the pentose phosphate pathway is that it produces all of the following EXCEPT

Correct Answer
verified

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

Correct Answer
verified

In green and purple bacteria,electrons to reduce CO₂ can come from

Correct Answer
verified

Figure 5.2 -What type of reaction is in Figure 5.2?

Correct Answer
verified

Which of the following statements regarding metabolism is FALSE?

Correct Answer
verified

Which of the following has bacteriochlorophylls and uses alcohols for carbon?

Correct Answer
verified

Researchers are developing a ribozyme that cleaves the HIV genome.This pharmaceutical agent could be described as

Correct Answer
verified

Figure 5.5 -Which of the graphs in Figure 5.5 best illustrates the activity of an enzyme that is saturated with substrate?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

A bacterium that only possesses the ability to ferment obtains energy

Correct Answer
verified

Microorganisms that catabolize sugars into ethanol and hydrogen gas would most likely be categorized as

Correct Answer
verified

Exam 5: Microbial Metabolism

Catabolic reactions are generally degradative and hydrolytic.

Correct AnswerverifiedShow Answer

Compare and contrast photophosphorylation and oxidative phosphorylation.

Correct AnswerAnswered by ExamLex AIPhotophosphorylation and oxidative phosp...View AnswerShow Answer

Figure 5.8 -What is the most acidic place in Figure 5.8?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the fate of pyruvic acid in an organism that uses aerobic respiration?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If a cell is starved for ATP,which of the following pathways would most likely be shut down?

Correct AnswerverifiedShow Answer

The advantage of the pentose phosphate pathway is that it produces all of the following EXCEPT

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In green and purple bacteria,electrons to reduce CO₂ can come from

Correct AnswerverifiedShow Answer

Figure 5.2 -What type of reaction is in Figure 5.2?

Correct AnswerverifiedShow Answer

Which of the following statements regarding metabolism is FALSE?

Correct AnswerverifiedShow Answer

Which of the following has bacteriochlorophylls and uses alcohols for carbon?

Correct AnswerverifiedShow Answer

Researchers are developing a ribozyme that cleaves the HIV genome.This pharmaceutical agent could be described as

Correct AnswerverifiedShow Answer

Figure 5.5 -Which of the graphs in Figure 5.5 best illustrates the activity of an enzyme that is saturated with substrate?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A bacterium that only possesses the ability to ferment obtains energy

Correct AnswerverifiedShow Answer

Microorganisms that catabolize sugars into ethanol and hydrogen gas would most likely be categorized as

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Photophosphorylation and oxidative phosp...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified