Question 1

Covalent modification of an enzyme often includes

Accepted Answer

A)  addition or deletion of some small molecule. 
B)  rearrangement of the components of the enzyme proper. 
C)  binding of the enzyme to specific cytoplasmic ribosomes. 
D)  none of the above. 
A)  addition or deletion of some small molecule. 
B)  rearrangement of the components of the enzyme proper. 
C)  binding of the enzyme to specific cytoplasmic ribosomes. 
D)  none of the above. A

Question 2

The number of protons consumed by an ATPase per molecule of ATP formed is

Accepted Answer

A)  1. 
B)  3- 4. 
C)  6- 8. 
D)  10. 
A)  1. 
B)  3- 4. 
C)  6- 8. 
D)  10. B

Question 3

The third carbon of a glycerol backbone usually contains a polar group in the Bacteria and the
Eukarya.

Accepted Answer

A) True 
 B)False  True

Question 4

Energy released as a result of oxidation- reduction reactions is usually conserved in the________.

Accepted Answer

synthesis

Question 5

Regulation of the amount of enzyme synthesized occurs only at the gene level.

Accepted Answer

A) True 
 B)False

Question 6

If an oxidation reaction occurs, a reduction reaction must also occur because

Accepted Answer

A)  Actually, reduction is not necessary if oxidation occurs. 
B)  electrons do not generally exist alone in solution. 
C)  half reactions are written that way. 
D)  that is what redox means. 
A)  Actually, reduction is not necessary if oxidation occurs. 
B)  electrons do not generally exist alone in solution. 
C)  half reactions are written that way. 
D)  that is what redox means.

Question 7

Metabolic diversity in respiration and photosynthesis revolves around a common process, which is generation of a(n) ________.

Accepted Answer

The answer of Metabolic diversity in respiration and photosynthesis revolves...

Question 8

AMP and methyl groups can play a part in covalent modification; ADP does not function in covalent modification.

Accepted Answer

A) True 
 B)False

Question 9

Inhibitors block both electron flow and the establishment of the proton motive force.

Accepted Answer

A) True 
 B)False

Question 10

The term used to refer to all the chemical processes taking place within a cell is ________.

Accepted Answer

The answer of The term used to refer to all...

Question 11

Which statement is NOT true?

Accepted Answer

A)  Most bacteria are capable of using ammonia as their sole nitrogen source. 
B)  Most available nitrogen is in organic forms. 
C)  Nitrogen is a major component of proteins and nucleic acids. 
D)  Some bacteria are able to use nitrates or nitrogen gas as their nitrogen source. 
A)  Most bacteria are capable of using ammonia as their sole nitrogen source. 
B)  Most available nitrogen is in organic forms. 
C)  Nitrogen is a major component of proteins and nucleic acids. 
D)  Some bacteria are able to use nitrates or nitrogen gas as their nitrogen source.

Question 12

The tendency to become oxidized or reduced is expressed as the reduction potential in Volts.

Accepted Answer

A) True 
 B)False

Question 13

Energy can be measured in kilojoules.

Accepted Answer

A) True 
 B)False

Question 14

Regulation of an enzyme's activity occurs

Accepted Answer

A)  before the enzyme is produced. 
B)  at any point on the enzymatic production pathway. 
C)  when the enzyme already exists in the cell. 
D)  during the production of the enzyme. 
A)  before the enzyme is produced. 
B)  at any point on the enzymatic production pathway. 
C)  when the enzyme already exists in the cell. 
D)  during the production of the enzyme.

Question 15

A chemotroph uses chemicals for energy, while a phototroph uses light for energy.

Accepted Answer

A) True 
 B)False

Question 16

Two specific cellular reactions in a cell that require energy from the proton motive force are

Accepted Answer

A)  biosynthesis and polymerization. 
B)  respiration and fermentation. 
C)  ion transport and flagellar rotation. 
D)  communication and metabolism. 
A)  biosynthesis and polymerization. 
B)  respiration and fermentation. 
C)  ion transport and flagellar rotation. 
D)  communication and metabolism.

Question 17

In substrate- level phosphorylation, ATP storage is depleted during the steps in catabolism of the fermentable compounds.

Accepted Answer

A) True 
 B)False

Question 18

Two mechanisms for energy conservation in chemoorganotrophs are________ and________.

Accepted Answer

fermentati

Question 19

As each molecule of pyruvate traverses the citric acid cycle, how many molecules of CO2 are generated?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 20

Allosteric enzymes have two important binding sites. These are the

Accepted Answer

A)  allosteric and passive sites. 
B)  allosteric and effector sites. 
C)  active and allosteric sites. 
D)  active and inhibitory sites. 
A)  allosteric and passive sites. 
B)  allosteric and effector sites. 
C)  active and allosteric sites. 
D)  active and inhibitory sites.

Exam 4: Nutrition, Culture, and Metabolism of Microorganisms

Covalent modification of an enzyme often includes

The number of protons consumed by an ATPase per molecule of ATP formed is

The third carbon of a glycerol backbone usually contains a polar group in the Bacteria and the Eukarya.

Energy released as a result of oxidation- reduction reactions is usually conserved in the________.

Regulation of the amount of enzyme synthesized occurs only at the gene level.

If an oxidation reaction occurs, a reduction reaction must also occur because

Metabolic diversity in respiration and photosynthesis revolves around a common process, which is generation of a(n) ________.

AMP and methyl groups can play a part in covalent modification; ADP does not function in covalent modification.

Inhibitors block both electron flow and the establishment of the proton motive force.

The term used to refer to all the chemical processes taking place within a cell is ________.

Which statement is NOT true?

The tendency to become oxidized or reduced is expressed as the reduction potential in Volts.

Energy can be measured in kilojoules.

Regulation of an enzyme's activity occurs

A chemotroph uses chemicals for energy, while a phototroph uses light for energy.

Two specific cellular reactions in a cell that require energy from the proton motive force are

In substrate- level phosphorylation, ATP storage is depleted during the steps in catabolism of the fermentable compounds.

Two mechanisms for energy conservation in chemoorganotrophs are________ and________.

As each molecule of pyruvate traverses the citric acid cycle, how many molecules of CO2 are generated?

Allosteric enzymes have two important binding sites. These are the

Microorganisms and Microbiology

A Brief Journey to the Microbial World

Cell Structure and Function in Bacteria and Archaea

Microbial Growth

Molecular Biology of Bacteria

Archael and Eukaryotic Molecular Biology

Regulation of Gene Expression

Viruses and Virology

Genetics of Bacteria and Arachaea

Genetic Engineering

Microbial Genomics

Phototrophy, Chemolithotrophy, and Major Biosyntheses

Catabolism of Organic Compounds

Commercial Products and Biotechnology

Microbial Evolution and Systematics

Bacteria: the Proteobacteria

Other Bacteria

Archaea

Eukaryotic Cell Biology and Eukaryotic Microorganisms

Viral Diversity

Methods in Microbial Ecology

Major Microbial Habitats and Diversity

Nutrient Cycles, Biodegradation, and Bioremediation

Microbial Symbioses

Microbial Growth Control

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology and Immunology

Epidemiology

Person-To-Person Microbial Diseases

Vectorborne and Soilborne Microbial Pathogens

Wastewater Treatment, Water Purification, and Waterborne Microbial Diseases

Food Preservation and Foodborne Microbial Diseases

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Two mechanisms for energy conservation in chemoorganotrophs are and.