Question 1

Glycolysis begins with a(n)________ stage(s).

Accepted Answer

A)  energy-conservation 
B)  lysis 
C)  energy-investment 
D)  lysis and energy-conservation 
E)  energy-investment and conservation 
A)  energy-conservation 
B)  lysis 
C)  energy-investment 
D)  lysis and energy-conservation 
E)  energy-investment and conservation

Question 2

Discuss the interrelationships between anabolic and catabolic pathways.Provide specific examples in your answer.

Accepted Answer

Catabolic pathways generate the energy r

Question 3

Which of the following statements concerning reduction reactions is FALSE?

Accepted Answer

A)  An electron acceptor gains an electron. 
B)  They are coupled with oxidation reactions. 
C)  They frequently involve electron carrier molecules. 
D)  An electron acceptor becomes more positively charged. 
E)  A molecule gains a hydrogen atom. 
A)  An electron acceptor gains an electron. 
B)  They are coupled with oxidation reactions. 
C)  They frequently involve electron carrier molecules. 
D)  An electron acceptor becomes more positively charged. 
E)  A molecule gains a hydrogen atom.

Question 4

Describe the mechanism of feedback inhibition and the role this process plays in controlling enzyme activity.

Accepted Answer

Feedback inhibition is also known as neg

Question 5

As the concentration of substrate increases,the activity of the enzyme decreases.

Accepted Answer

A) True 
 B)False

Question 6

Amino acids are converted to substrates of the Krebs cycle by (beta-oxidation/deamination/transamination).

Accepted Answer

The answer of Amino acids are converted to substrates of...

Question 7

Laboratory fermentation tests often include a pH indicator because many bacteria produce (O2/bases/acids)as they ferment carbohydrates.

Accepted Answer

The answer of Laboratory fermentation tests often include a pH...

Question 8

Which of the following is associated with the Calvin-Benson cycle?

Accepted Answer

A)  acetyl-CoA 
B)  TMAO 
C)  RuBP 
D)  FADH2 
E)  PABA 
A)  acetyl-CoA 
B)  TMAO 
C)  RuBP 
D)  FADH2 
E)  PABA

Question 9

Which of the following is an active enzyme?

Accepted Answer

A)  apoenzyme 
B)  cofactor 
C)  coenzyme 
D)  holoenzyme 
E)  subtrate 
A)  apoenzyme 
B)  cofactor 
C)  coenzyme 
D)  holoenzyme 
E)  subtrate

Question 10

Compare and contrast cyclic and noncyclic photophosphorylation.

Accepted Answer

Both cyclic photophosphorylation and non

Question 11

Enzymes known as lyases participate in ________ reactions.

Accepted Answer

A)  anabolic 
B)  catabolic 
C)  both anabolic and catabolic 
D)  neither anabolic nor catabolic 
E)  oxidation-reduction 
A)  anabolic 
B)  catabolic 
C)  both anabolic and catabolic 
D)  neither anabolic nor catabolic 
E)  oxidation-reduction

Question 12

The molecule that an enzyme acts upon is known as its

Accepted Answer

A)  substrate. 
B)  coenzyme. 
C)  apoenzyme. 
D)  product. 
E)  catalyst. 
A)  substrate. 
B)  coenzyme. 
C)  apoenzyme. 
D)  product. 
E)  catalyst.

Question 13

Which of the following statements concerning cellular metabolism is FALSE?

Accepted Answer

A)  Energy obtained from nutrients or light is stored in the bonds of ATP. 
B)  Enzymes are used in both catabolic and anabolic reactions. 
C)  Macromolecules are converted into cell structures via catabolism. 
D)  The goal of metabolism is reproduction of the organism. 
E)  ATP is used in the formation of macromolecules. 
A)  Energy obtained from nutrients or light is stored in the bonds of ATP. 
B)  Enzymes are used in both catabolic and anabolic reactions. 
C)  Macromolecules are converted into cell structures via catabolism. 
D)  The goal of metabolism is reproduction of the organism. 
E)  ATP is used in the formation of macromolecules.

Question 14

The production of NADH takes place during the ________ stage(s)of glycolysis.

Accepted Answer

A)  energy-conservation 
B)  energy-investment 
C)  lysis 
D)  lysis and energy-investment 
E)  energy-investment and energy-conservation 
A)  energy-conservation 
B)  energy-investment 
C)  lysis 
D)  lysis and energy-investment 
E)  energy-investment and energy-conservation

Question 15

Which of the following can be the final electron acceptor in anaerobic respiration in bacteria?

Accepted Answer

A)  nitrate only 
B)  pyruvic acid only 
C)  sulfate only 
D)  both nitrate and sulfate 
E)  nitrate, pyruvic acid, and sulfate 
A)  nitrate only 
B)  pyruvic acid only 
C)  sulfate only 
D)  both nitrate and sulfate 
E)  nitrate, pyruvic acid, and sulfate

Question 16

Which of the following metabolic processes is commonly used to identify bacteria?

Accepted Answer

A)  carbohydrate fermentation 
B)  lipid catabolism 
C)  Krebs cycle products 
D)  lipid synthesis 
E)  pentose phosphate pathway products 
A)  carbohydrate fermentation 
B)  lipid catabolism 
C)  Krebs cycle products 
D)  lipid synthesis 
E)  pentose phosphate pathway products

Question 17

The ability to utilize different metabolites for cellular respiration is one method for identifying bacteria.

Accepted Answer

A) True 
 B)False

Question 18

The pentose phosphate pathway generates all the necessary precursors for nucleotide biosynthesis.

Accepted Answer

A) True 
 B)False

Question 19

The purpose of electron transport is to create a proton (concentration/gradient/pump)across a membrane that can then be used to make ATP.

Accepted Answer

The answer of The purpose of electron transport is to...

Question 20

The conversion of pyruvic acid to acetyl-CoA can be described as ________,because a molecule of CO2 is produced as a by-product.

Accepted Answer

A)  decarboxylation 
B)  amination 
C)  respiration 
D)  oxidation 
E)  phosphorylation 
A)  decarboxylation 
B)  amination 
C)  respiration 
D)  oxidation 
E)  phosphorylation

Exam 5: Microbial Metabolism

Glycolysis begins with a(n)________ stage(s).

Discuss the interrelationships between anabolic and catabolic pathways.Provide specific examples in your answer.

Which of the following statements concerning reduction reactions is FALSE?

Describe the mechanism of feedback inhibition and the role this process plays in controlling enzyme activity.

As the concentration of substrate increases,the activity of the enzyme decreases.

Amino acids are converted to substrates of the Krebs cycle by (beta-oxidation/deamination/transamination).

Laboratory fermentation tests often include a pH indicator because many bacteria produce (O2/bases/acids)as they ferment carbohydrates.

Which of the following is associated with the Calvin-Benson cycle?

Which of the following is an active enzyme?

Compare and contrast cyclic and noncyclic photophosphorylation.

Enzymes known as lyases participate in ________ reactions.

The molecule that an enzyme acts upon is known as its

Which of the following statements concerning cellular metabolism is FALSE?

The production of NADH takes place during the ________ stage(s)of glycolysis.

Which of the following can be the final electron acceptor in anaerobic respiration in bacteria?

Which of the following metabolic processes is commonly used to identify bacteria?

The ability to utilize different metabolites for cellular respiration is one method for identifying bacteria.

The pentose phosphate pathway generates all the necessary precursors for nucleotide biosynthesis.

The purpose of electron transport is to create a proton (concentration/gradient/pump)across a membrane that can then be used to make ATP.

The conversion of pyruvic acid to acetyl-CoA can be described as ________,because a molecule of CO2 is produced as a by-product.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Pathogenic Gram Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

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Parasitic Protozoa, Helminths, and Arthropod Vectors

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