Question 1

Two major roles of fungi are_________ and_________ .

Accepted Answer

any two of the following in any order: food / medicine / decay / recycling of nutrients / biodegradation in nature / recycling of organic matter

Question 2

The eukaryotic fruiting body is generally associated with the

Accepted Answer

A)  slime mold. 
B)  trypanosome. 
C)  Paramecium. 
D)  yeast. 
A)  slime mold. 
B)  trypanosome. 
C)  Paramecium. 
D)  yeast. A

Question 3

Which statement is TRUE?

Accepted Answer

A)  All synthetic and most natural compounds can be broken down by one or more microorganisms. 
B)  All natural and most synthetic compounds can be broken down by one or more microorganisms. 
C)  Most natural and most synthetic compounds can be broken down by one or more microorganisms. 
D)  All natural and all synthetic compounds can be broken down by one or more microorganisms. 
A)  All synthetic and most natural compounds can be broken down by one or more microorganisms. 
B)  All natural and most synthetic compounds can be broken down by one or more microorganisms. 
C)  Most natural and most synthetic compounds can be broken down by one or more microorganisms. 
D)  All natural and all synthetic compounds can be broken down by one or more microorganisms. B

Question 4

The difference between chemoorganotrophy and chemolithotrophy is_________ .

Accepted Answer

The answer of The difference between chemoorganotrophy and chemolithotrophy is_________...

Question 5

The evolutionary significance of extreme thermophiles may be that they are modern descendants of very ancient cell lines dating back to a time when the planet was very warm.

Accepted Answer

A) True 
 B)False

Question 6

Microorganisms today are probably a degeneration of the earliest life forms.

Accepted Answer

A) True 
 B)False

Question 7

A cell that uses carbon dioxide as its carbon source is a(n)_________ .

Accepted Answer

The answer of A cell that uses carbon dioxide as...

Question 8

Endosymbiosis is an explanation for the origin of mitochondria and chloroplasts in eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 9

Cyanobacteria are most closely related to the

Accepted Answer

A)  gram- negative Bacteria. 
B)  Archaea. 
C)  Eukarya. 
D)  gram- positive Bacteria. 
A)  gram- negative Bacteria. 
B)  Archaea. 
C)  Eukarya. 
D)  gram- positive Bacteria.

Question 10

Species of Archaea are more closely related to Eukarya than to Bacteria.

Accepted Answer

A) True 
 B)False

Question 11

The presence of membrane- enclosed organelles is a characteristic of

Accepted Answer

A)  prokaryotic cells. 
B)  all cells. 
C)  eukaryotic cells. 
D)  viruses. 
A)  prokaryotic cells. 
B)  all cells. 
C)  eukaryotic cells. 
D)  viruses.

Question 12

A differential stain is called "differential" because it does not stain all kinds of cells the same color.

Accepted Answer

A) True 
 B)False

Question 13

Elaborate on how chemolithotrophy and phototrophy have influenced microbial competition and, thus, microbial habitats.

Accepted Answer

Answers will vary. One possible discussi

Question 14

In bright- field microscopy, contrast differences arise because different cells and cellular components absorb and scatter light in varying degrees.

Accepted Answer

A) True 
 B)False

Question 15

What might you learn by taking a properly stained sample of water and placing it under a light microscope?

Accepted Answer

Possible answers include cell abundance,

Question 16

The ultimate limit of what we are able to see with a microscope is dictated by

Accepted Answer

A)  visual acuity. 
B)  resolution. 
C)  light intensity. 
D)  magnification. 
A)  visual acuity. 
B)  resolution. 
C)  light intensity. 
D)  magnification.

Question 17

Which statement is TRUE?

Accepted Answer

A)  Both yeasts and molds are fungi. 
B)  Both yeasts and molds are degenerate plants. 
C)  Yeasts are fungi, whereas molds are degenerate plants. 
D)  Yeasts are degenerate plants, whereas molds are fungi. 
A)  Both yeasts and molds are fungi. 
B)  Both yeasts and molds are degenerate plants. 
C)  Yeasts are fungi, whereas molds are degenerate plants. 
D)  Yeasts are degenerate plants, whereas molds are fungi.

Question 18

Which statement is TRUE about the genus Natronobacterium?

Accepted Answer

A)  They are halophilic and acidophilic. 
B)  They are acidophilic but not halophilic. 
C)  They are halophilic and alkaliphilic. 
D)  They are alkaliphilic but not halophilic. 
A)  They are halophilic and acidophilic. 
B)  They are acidophilic but not halophilic. 
C)  They are halophilic and alkaliphilic. 
D)  They are alkaliphilic but not halophilic.

Question 19

Fluorescent microscopy is commonly used in

Accepted Answer

A)  the detection of chemical contaminants in a solution. 
B)  radiation biology. 
C)  cancer therapy. 
D)  clinical diagnostic microbiology. 
A)  the detection of chemical contaminants in a solution. 
B)  radiation biology. 
C)  cancer therapy. 
D)  clinical diagnostic microbiology.

Question 20

The Gram stain differentiates bacterial cells into gram positive and gram negative based on differences in the

Accepted Answer

A)  genomic content. 
B)  cell's metabolic capabilities. 
C)  presence of a plasmid. 
D)  cell wall structure. 
A)  genomic content. 
B)  cell's metabolic capabilities. 
C)  presence of a plasmid. 
D)  cell wall structure.

Exam 2: A Brief Journey to the Microbial World

Two major roles of fungi are_________ and_________ .

The eukaryotic fruiting body is generally associated with the

Which statement is TRUE?

The difference between chemoorganotrophy and chemolithotrophy is_________ .

The evolutionary significance of extreme thermophiles may be that they are modern descendants of very ancient cell lines dating back to a time when the planet was very warm.

Microorganisms today are probably a degeneration of the earliest life forms.

A cell that uses carbon dioxide as its carbon source is a(n)_________ .

Endosymbiosis is an explanation for the origin of mitochondria and chloroplasts in eukaryotic cells.

Cyanobacteria are most closely related to the

Species of Archaea are more closely related to Eukarya than to Bacteria.

The presence of membrane- enclosed organelles is a characteristic of

A differential stain is called "differential" because it does not stain all kinds of cells the same color.

Elaborate on how chemolithotrophy and phototrophy have influenced microbial competition and, thus, microbial habitats.

In bright- field microscopy, contrast differences arise because different cells and cellular components absorb and scatter light in varying degrees.

What might you learn by taking a properly stained sample of water and placing it under a light microscope?

The ultimate limit of what we are able to see with a microscope is dictated by

Which statement is TRUE?

Which statement is TRUE about the genus Natronobacterium?

Fluorescent microscopy is commonly used in

The Gram stain differentiates bacterial cells into gram positive and gram negative based on differences in the

Microorganisms and Microbiology

Cell Structure and Function in Bacteria and Archaea

Nutrition, Culture, and Metabolism of Microorganisms

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

Filters

Two major roles of fungi are_ and_ .