Question 1

Important components of coenzymes are _______.

Accepted Answer

A)   vitamins
B)   metallic ions
C)   active sites
D)   substrates
E)   ribozymesF) C) and D)
G) A) and C)

Question 2

The process of forming glucose from various metabolic intermediates is called ______.

Accepted Answer

A)   glycolysis
B)   amphibolism
C)   phosphorylation
D)   amination
E)   gluconeogenesisF) A) and C)
G) A) and E)

Question 3

Each NADH that enters the electron transport system results in the production of _____ ATPs.

Accepted Answer

A)   2
B)   3
C)   24
D)   36
E)   38F) B) and E)
G) D) and E)

Question 4

Only yeast produce alcohol as a fermentation product.

Accepted Answer

A) True 
 B)False

Question 5

Oxidoreductase apoenzymes utilize a coenzyme to function.The NAD+ and FAD coenzymes

Accepted Answer

A)   carry only electrons between molecules.
B)   are oxidized when they remove electrons from the substrate.
C)   are reduced when they remove electrons from the substrate.
D)   are reduced when they add electrons to the substrate.E) A) and D)
F) A) and C)

Question 6

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
B)   3
C)   24
D)   36
E)   38F) A) and B)
G) A) and C)

Question 7

When comparing fermentation and anaerobic respiration,which statement would be true?

Accepted Answer

A)   Fermentation and anaerobic respiration are the same.
B)   Fermentation produces carbon dioxide, whereas anaerobic respiration does not.
C)   Anaerobic respiration and fermentation both employ the electron transport system.
D)   Both anaerobic respiration and fermentation use phosphorylation to make ATP.E) A) and D)
F) B) and D)

Question 8

Which of the following is not a photosynthetic pigment?

Accepted Answer

A)   Carotenoid
B)   Leukophyll
C)   Phycobilin
D)   ChlorophyllE) None of the above
F) B) and C)

Question 9

Metabolic pathways that regenerate their starting molecule are called _____ pathways.

Accepted Answer

A)   linear
B)   bidirectional
C)   convergent
D)   cyclic
E)   divergentF) All of the above
G) None of the above

Question 10

In the cell,energy released by electrons is often used to phosphorylate ______.

Accepted Answer

A)   ATP
B)   ADP
C)   pyruvic acid
D)   oxygen
E)   NADF) A) and D)
G) A) and E)

Question 11

Each of the following are electron carriers except ______.

Accepted Answer

A)   NAD
B)   FAD
C)   NADP
D)   FADPE) A) and B)
F) All of the above

Question 12

Intermediates from the Krebs cycle can be converted to amino acids by the process of ______.

Accepted Answer

A)   amination
B)   deamination
C)   phosphorylation
D)   beta oxidation
E)   gluconeogenesisF) A) and B)
G) A) and C)

Question 13

Enzymes that function inside a cell are ______.

Accepted Answer

A)   apoenzymes
B)   exoenzymes
C)   constitutive enzymes
D)   regulated enzymes
E)   endoenzymesF) C) and E)
G) A) and E)

Question 14

Exoenzymes from pathogens are called virulence factors.

Accepted Answer

A) True 
 B)False

Question 15

All aerobic bacterial species have identical electron acceptors in their electron transport systems.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following metabolic system descriptions is mismatched?

Accepted Answer

A)   Cyclic - the starting molecule is regenerated to initiate another turn
B)   Convergent - a linear pathway branches into two or more alternative processes
C)   Linear - the product of enzyme A becomes the substrate for enzyme B
D)   Divergent - one or more branches deviate from a linear pathE) A) and D)
F) A) and C)

Question 17

Glyceraldehyde-3-phosphate is an intermediary of glycolysis that can also be utilized in biosynthetic pathways.

Accepted Answer

A) True 
 B)False

Question 18

Enzymes that are only produced when substrate is present are termed ______.

Accepted Answer

A)   exoenzymes
B)   endoenzymes
C)   constitutive enzymes
D)   induced enzymes
E)   conjugated enzymesF) C) and E)
G) A) and B)

Question 19

An oxidase detection test can be used to identify certain bacteria because they are missing or lack expression of ______.

Accepted Answer

A)   cytochrome C oxidase
B)   NAD
C)   mitochondria
D)   ATP synthase
E)   coenzyme QF) A) and B)
G) B) and E)

Question 20

A type of cofactor would be ______.

Accepted Answer

A)   vitamins
B)   metallic ions
C)   active sites
D)   substrates
E)   ribozymesF) A) and D)
G) C) and D)

Exam 8: Microbial Metabolism: The Chemical Crossroads of Life

Glyceraldehyde-3-phosphate is an intermediary of glycolysis that can also be utilized in biosynthetic pathways.

Correct AnswerverifiedShow Answer

Oxidoreductase apoenzymes utilize a coenzyme to function.The NAD+ and FAD coenzymes

Correct AnswerverifiedShow Answer

Intermediates from the Krebs cycle can be converted to amino acids by the process of ______.

Correct AnswerverifiedShow Answer

Metabolic pathways that regenerate their starting molecule are called _____ pathways.

Correct AnswerverifiedShow Answer

Important components of coenzymes are _______.

Correct AnswerverifiedShow Answer

Only yeast produce alcohol as a fermentation product.

Correct AnswerverifiedShow Answer

An oxidase detection test can be used to identify certain bacteria because they are missing or lack expression of ______.

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

All aerobic bacterial species have identical electron acceptors in their electron transport systems.

Correct AnswerverifiedShow Answer

Enzymes that function inside a cell are ______.

Correct AnswerverifiedShow Answer

In the cell,energy released by electrons is often used to phosphorylate ______.

Correct AnswerverifiedShow Answer

Which of the following is not a photosynthetic pigment?

Correct AnswerverifiedShow Answer

Which of the following metabolic system descriptions is mismatched?

Correct AnswerverifiedShow Answer

Enzymes that are only produced when substrate is present are termed ______.

Correct AnswerverifiedShow Answer

Each NADH that enters the electron transport system results in the production of _____ ATPs.

Correct AnswerverifiedShow Answer

When comparing fermentation and anaerobic respiration,which statement would be true?

Correct AnswerverifiedShow Answer

A type of cofactor would be ______.

Correct AnswerverifiedShow Answer

Each of the following are electron carriers except ______.

Correct AnswerverifiedShow Answer

The process of forming glucose from various metabolic intermediates is called ______.

Correct AnswerverifiedShow Answer

Exoenzymes from pathogens are called virulence factors.

Correct AnswerverifiedShow Answer

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Oxidoreductase apoenzymes utilize a coenzyme to function.The NAD⁺ and FAD coenzymes

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