Question 1

The principal sites of amphibolic interaction occur during

Accepted Answer

A)  glycolysis and photosynthesis.
B)  the Krebs cycle and electron transport system.
C)  glycolysis and the Krebs cycle.
D)  fermentation and the Krebs cycle.
E)  fermentation and glycolysis.F) B) and C)
G) A) and E)

Question 2

Reactants are converted to products by

Accepted Answer

A)  enzymes releasing energy.
B)  breaking and forming bonds.
C)  enzymes binding to reactants.
D)  reactants releasing energy.
E)  None of the choices is correct.F) B) and D)
G) None of the above

Question 3

Exergonic reactions

Accepted Answer

A)  include synthesis of large carbohydrates.
B)  only occur in heterotrophs.
C)  release energy.
D)  do not occur in anaerobic cellular respiration.
E)  occur when ADP binds to inorganic phosphate to form ATP.F) A) and D)
G) A) and C)

Question 4

When the product of reaction A becomes the reactant of reaction B,the metabolic pathway is

Accepted Answer

A)  linear.
B)  bidirectional.
C)  convergent.
D)  cyclic.
E)  divergent.F) C) and E)
G) A) and E)

Question 5

Fermentation

Accepted Answer

A)  requires an organic electron acceptor.
B)  requires oxygen.
C)  only occurs in aerobic organisms.
D)  can be equivalent to aerobic respiration in ATP production.
E)  None of the choices is correct.F) D) and E)
G) B) and C)

Question 6

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  A newborn infant screening yields a positive result for biotinidase deficiency. As the RN, you provide education for the patient’s parents regarding the role of enzymes in metabolism and this enzyme deficiency disorder. 
-All of the following are true of enzymes except

Accepted Answer

A)  enzymes increase the rate of a chemical reaction.
B)  enzymes are not part of the products of a chemical reaction.
C)  enzymes create a chemical reaction.
D)  enzymes are not consumed in a chemical reaction.E) C) and D)
F) B) and C)

Question 7

Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?

Accepted Answer

A)  one NADH is formed
B)  one carbon dioxide is released
C)  coenzyme A attaches to an acetyl group
D)  pyruvic acid accepts electrons from NADHE) A) and B)
F) A) and C)

Question 8

The reactions of fermentation function to produce _____ molecules for use in glycolysis.

Accepted Answer

A)  pyruvic acid
B)  ATP
C)  NAD+
D)  NADH
E)  glucoseF) A) and E)
G) A) and D)

Question 9

Oxygen-containing ions are used by some bacteria as final electron acceptors.

Accepted Answer

A) True 
 B)False

Question 10

Enzymes that hydrolyze a peptide bond are called

Accepted Answer

A)  phosphotransferases.
B)  oxidoreductases.
C)  peptidases.
D)  aminotransferases.
E)  ligases.F) A) and C)
G) A) and B)

Question 11

In bacterial cells,when glucose is completely oxidized by all the pathways of aerobic cellular respiration,what is the maximum number of ATP generated?

Accepted Answer

A)  2 ATP
B)  3 ATP
C)  24 ATP
D)  42 ATP
E)  38 ATPF) A) and E)
G) B) and D)

Question 12

NADH and FADH2 molecules are oxidized in which step of the aerobic respiration process?

Accepted Answer

A)  electron transport system
B)  Krebs cycle
C)  glycolysis
D)  step before Krebs cycleE) B) and C)
F) A) and D)

Question 13

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

Accepted Answer

A) True 
 B)False

Question 14

In addition to electrons,which of the following is also involved in electron transfer?

Accepted Answer

A)  ADP
B)  glucose
C)  carbon
D)  hydrogen
E)  carbon dioxideF) C) and E)
G) A) and B)

Question 15

All of the following pertain to glycolysis except it

Accepted Answer

A)  occurs without oxygen.
B)  ends with formation of pyruvic acid.
C)  occurs during fermentation.
D)  degrades glucose to CO2 and H2O.
E)  involves reduction of NAD.F) A) and E)
G) B) and D)

Question 16

Enzymes are

Accepted Answer

A)  broken down in reactions that require energy input.
B)  proteins that function as catalysts.
C)  used up in chemical reactions.
D)  not needed for catabolic reactions.
E)  All of the choices are correct.F) A) and B)
G) B) and E)

Question 17

The breakdown of peptidoglycan to N-acetylmuramic acid,N-acetylglucosamine,and peptides is an example of

Accepted Answer

A)  anabolism.
B)  catabolism.
C)  phosphorylation.
D)  fermentation.
E)  synthesis.F) B) and C)
G) A) and E)

Question 18

During which of the phases of cellular respiration is the majority of ATP formed?

Accepted Answer

A)  electron transport
B)  Krebs cycle
C)  glycolysis
D)  processing of pyruvic acid for the Krebs cycle
E)  All phases produce the same number of ATP molecules.F) A) and C)
G) A) and B)

Question 19

The property of organisms to integrate catabolic and anabolic pathways to improve cell efficiency is called

Accepted Answer

A)  metabolism.
B)  amphibolism.
C)  anabolism.
D)  catabolism.
E)  biosynthesis.F) B) and D)
G) A) and B)

Question 20

How many carbon dioxide molecules are produced by the complete aerobic breakdown of one glucose molecule?

Accepted Answer

A)  2
B)  3
C)  4
D)  5
E)  6F) A) and B)
G) A) and C)

Exam 7: Microbial Metabolism

Enzymes that hydrolyze a peptide bond are called

Correct Answer
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Enzymes are

Correct Answer
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Exergonic reactions

Correct Answer
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The breakdown of peptidoglycan to N-acetylmuramic acid,N-acetylglucosamine,and peptides is an example of

Correct Answer
verified

In addition to electrons,which of the following is also involved in electron transfer?

Correct Answer
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Fermentation

Correct Answer
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The reactions of fermentation function to produce _____ molecules for use in glycolysis.

Correct Answer
verified

The principal sites of amphibolic interaction occur during

Correct Answer
verified

In bacterial cells,when glucose is completely oxidized by all the pathways of aerobic cellular respiration,what is the maximum number of ATP generated?

Correct Answer
verified

The property of organisms to integrate catabolic and anabolic pathways to improve cell efficiency is called

Correct Answer
verified

Correct Answer
verified

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

Correct Answer
verified

NADH and FADH₂ molecules are oxidized in which step of the aerobic respiration process?

Correct Answer
verified

During which of the phases of cellular respiration is the majority of ATP formed?

Correct Answer
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Reactants are converted to products by

Correct Answer
verified

All of the following pertain to glycolysis except it

Correct Answer
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How many carbon dioxide molecules are produced by the complete aerobic breakdown of one glucose molecule?

Correct Answer
verified

When the product of reaction A becomes the reactant of reaction B,the metabolic pathway is

Correct Answer
verified

Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?

Correct Answer
verified

Oxygen-containing ions are used by some bacteria as final electron acceptors.

Correct Answer
verified

Exam 7: Microbial Metabolism

Enzymes that hydrolyze a peptide bond are called

Correct AnswerverifiedShow Answer

Enzymes are

Correct AnswerverifiedShow Answer

Exergonic reactions

Correct AnswerverifiedShow Answer

The breakdown of peptidoglycan to N-acetylmuramic acid,N-acetylglucosamine,and peptides is an example of

Correct AnswerverifiedShow Answer

In addition to electrons,which of the following is also involved in electron transfer?

Correct AnswerverifiedShow Answer

Fermentation

Correct AnswerverifiedShow Answer

The reactions of fermentation function to produce _____ molecules for use in glycolysis.

Correct AnswerverifiedShow Answer

The principal sites of amphibolic interaction occur during

Correct AnswerverifiedShow Answer

In bacterial cells,when glucose is completely oxidized by all the pathways of aerobic cellular respiration,what is the maximum number of ATP generated?

Correct AnswerverifiedShow Answer

The property of organisms to integrate catabolic and anabolic pathways to improve cell efficiency is called

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

Correct AnswerverifiedShow Answer

NADH and FADH2 molecules are oxidized in which step of the aerobic respiration process?

Correct AnswerverifiedShow Answer

During which of the phases of cellular respiration is the majority of ATP formed?

Correct AnswerverifiedShow Answer

Reactants are converted to products by

Correct AnswerverifiedShow Answer

All of the following pertain to glycolysis except it

Correct AnswerverifiedShow Answer

How many carbon dioxide molecules are produced by the complete aerobic breakdown of one glucose molecule?

Correct AnswerverifiedShow Answer

When the product of reaction A becomes the reactant of reaction B,the metabolic pathway is

Correct AnswerverifiedShow Answer

Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?

Correct AnswerverifiedShow Answer

Oxygen-containing ions are used by some bacteria as final electron acceptors.

Correct AnswerverifiedShow Answer

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NADH and FADH₂ molecules are oxidized in which step of the aerobic respiration process?

Correct Answer
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