Question 1

_____ enzymes have an active site, and an additional regulatory site for non-substrate attachment.

Accepted Answer

allosteric

Question 2

Enzymes that can function at boiling water temperatures or other harsh conditions would be termed:

Accepted Answer

A) denatured. 
B) ribozymes. 
C) abzymes. 
D) exoenzymes. 
E) extremozymes. 
A) denatured. 
B) ribozymes. 
C) abzymes. 
D) exoenzymes. 
E) extremozymes. E

Question 3

ATP is composed of deoxyribose, adenine, and 3-phosphate groups.

Accepted Answer

A) True 
 B)False  False

Question 4

During aerobic cellular respiration, the final electron acceptor is:

Accepted Answer

A) pyruvic acid. 
B) oxygen. 
C) nitrate. 
D) cytochrome c. 
E) FAD. 
A) pyruvic acid. 
B) oxygen. 
C) nitrate. 
D) cytochrome c. 
E) FAD.

Question 5

Enzymes are:

Accepted Answer

A) broken down in reactions that require energy input. 
B) proteins that function as catalysts. 
C) electron carrier molecules. 
D) not needed for catabolic reactions. 
E) All of the choices are correct. 
A) broken down in reactions that require energy input. 
B) proteins that function as catalysts. 
C) electron carrier molecules. 
D) not needed for catabolic reactions. 
E) All of the choices are correct.

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Each FADH2 that enters the electron transport system gives rise to _____ ATP.

Accepted Answer

A) 2 
B) 3 
C) 24 
D) 36 
E) 38 
A) 2 
B) 3 
C) 24 
D) 36 
E) 38

Question 8

When glucose is broken down by glycolysis during bacterial fermentation, how many ATP are generated?

Accepted Answer

A) 2 ATP 
B) 3 ATP 
C) 24 ATP 
D) 36 ATP 
E) 38 ATP 
A) 2 ATP 
B) 3 ATP 
C) 24 ATP 
D) 36 ATP 
E) 38 ATP

Question 9

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

Accepted Answer

A) pyruvic acid 
B) ATP 
C) NAD 
D) NADH 
E) glucose 
A) pyruvic acid 
B) ATP 
C) NAD 
D) NADH 
E) glucose

Question 10

Anaerobic cellular respiration:

Accepted Answer

A) is also called fermentation. 
B) only involves glycolysis. 
C) does not generate ATP. 
D) utilizes an electron transport system. 
E) uses the same final electron acceptors as aerobic respiration. 
A) is also called fermentation. 
B) only involves glycolysis. 
C) does not generate ATP. 
D) utilizes an electron transport system. 
E) uses the same final electron acceptors as aerobic respiration.

Question 11

The process of alcoholic fermentation produces:

Accepted Answer

A) alcohol only. 
B) alcohol and oxygen. 
C) alcohol and carbon dioxide. 
D) carbon dioxide and yeast. 
E) yeast and oxygen. 
A) alcohol only. 
B) alcohol and oxygen. 
C) alcohol and carbon dioxide. 
D) carbon dioxide and yeast. 
E) yeast and oxygen.

Question 12

Exergonic reactions:

Accepted Answer

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

Question 13

The redox carriers of the electron transport chain that have a tightly bound metal atom responsible for accepting and donating electrons are the _____.

Accepted Answer

The answer of The redox carriers of the electron transport...

Question 14

Each NADH that enters the electron transport system gives rise to _____ ATP.

Accepted Answer

A) 2 
B) 3 
C) 24 
D) 36 
E) 38 
A) 2 
B) 3 
C) 24 
D) 36 
E) 38

Question 15

Enzymes that catalyze removing electrons from one substrate and adding electrons to another are called:

Accepted Answer

A) phosphotransferases. 
B) oxidoreductases. 
C) decarboxylases. 
D) aminotransferases. 
E) ligases. 
A) phosphotransferases. 
B) oxidoreductases. 
C) decarboxylases. 
D) aminotransferases. 
E) ligases.

Question 16

All of the following are exoenzymes, except:

Accepted Answer

A) ATP synthase. 
B) streptokinase. 
C) penicillinase. 
D) collagenase. 
E) elastase. 
A) ATP synthase. 
B) streptokinase. 
C) penicillinase. 
D) collagenase. 
E) elastase.

Question 17

_____ testing can differentiate between bacterial species fermentation that produce mixed acids or 2, 3 butanediol.

Accepted Answer

The answer of _____ testing can differentiate between bacterial species...

Question 18

In bacterial cells, when glucose is completely oxidized by all the pathways of aerobic cellular respiration, how many ATP are generated?

Accepted Answer

A) 2 ATP 
B) 3 ATP 
C) 24 ATP 
D) 36 ATP 
E) 38 ATP 
A) 2 ATP 
B) 3 ATP 
C) 24 ATP 
D) 36 ATP 
E) 38 ATP

Question 19

ATP synthase is a complex enzyme needed for oxidative phosphorylation.

Accepted Answer

A) True 
 B)False

Question 20

When enzyme action stops due to a buildup of end product this control is called:

Accepted Answer

A) negative feedback. 
B) competitive inhibition. 
C) enzyme induction. 
D) enzyme repression. 
E) None of the choices are correct. 
A) negative feedback. 
B) competitive inhibition. 
C) enzyme induction. 
D) enzyme repression. 
E) None of the choices are correct.

Exam 8: An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

_____ enzymes have an active site, and an additional regulatory site for non-substrate attachment.

Enzymes that can function at boiling water temperatures or other harsh conditions would be termed:

ATP is composed of deoxyribose, adenine, and 3-phosphate groups.

During aerobic cellular respiration, the final electron acceptor is:

Enzymes are:

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

Each FADH2 that enters the electron transport system gives rise to _____ ATP.

When glucose is broken down by glycolysis during bacterial fermentation, how many ATP are generated?

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

Anaerobic cellular respiration:

The process of alcoholic fermentation produces:

Exergonic reactions:

The redox carriers of the electron transport chain that have a tightly bound metal atom responsible for accepting and donating electrons are the _____.

Each NADH that enters the electron transport system gives rise to _____ ATP.

Enzymes that catalyze removing electrons from one substrate and adding electrons to another are called:

All of the following are exoenzymes, except:

_____ testing can differentiate between bacterial species fermentation that produce mixed acids or 2, 3 butanediol.

In bacterial cells, when glucose is completely oxidized by all the pathways of aerobic cellular respiration, how many ATP are generated?

ATP synthase is a complex enzyme needed for oxidative phosphorylation.

When enzyme action stops due to a buildup of end product this control is called:

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters

Each FADH₂ that enters the electron transport system gives rise to _____ ATP.