Question 1

What phenomenon accounts for the appearance of chloroplasts in some unicellular phototrophic eukaryotes?

Accepted Answer

A)  transformation of hydrogenosomes 
B)  secondary endosymbioses of green or red algae 
C)  primary endosymbioses of green or red algae 
D)  horizontal gene transfer 
A)  transformation of hydrogenosomes 
B)  secondary endosymbioses of green or red algae 
C)  primary endosymbioses of green or red algae 
D)  horizontal gene transfer

Question 2

Among protists, only the ciliates have a micronucleus and macronucleus where genes are located in two discrete areas within each cell for redundancy.

Accepted Answer

A) True 
 B)False

Question 3

How can the amebozoans and radiolarians be distinguished from each other with microscopy?

Accepted Answer

A)  Amebozoans have lobe-shaped pseudopodia, and radiolarians have threadlike pseudopodia, and radiolarians have radial symmetry. 
B)  Amebozoans have lobe-shaped pseudopodia, amebozoans have radial symmetry, and radiolarians have unusually large, thick pseudopodia. 
C)  Amebozoans have large but thin pseudopodia and radiolarians have thick, lobe-shaped pseudopodia. 
D)  Amebozoans have radial symmetry and threadlike pseudopodia, whereas radiolarians have lobe-shaped pseudopodia. 
A)  Amebozoans have lobe-shaped pseudopodia, and radiolarians have threadlike pseudopodia, and radiolarians have radial symmetry. 
B)  Amebozoans have lobe-shaped pseudopodia, amebozoans have radial symmetry, and radiolarians have unusually large, thick pseudopodia. 
C)  Amebozoans have large but thin pseudopodia and radiolarians have thick, lobe-shaped pseudopodia. 
D)  Amebozoans have radial symmetry and threadlike pseudopodia, whereas radiolarians have lobe-shaped pseudopodia.

Question 4

The unusual ability of ________ being flagellated and motile enables ________.

Accepted Answer

A)  ascospores / their dispersal in aquatic systems 
B)  ascospores / spreading of those pathogens in blood 
C)  zoospores / dispersal in aquatic systems 
D)  zoospores / spreading of those pathogens in blood 
A)  ascospores / their dispersal in aquatic systems 
B)  ascospores / spreading of those pathogens in blood 
C)  zoospores / dispersal in aquatic systems 
D)  zoospores / spreading of those pathogens in blood

Question 5

Which group of Eukarya has complicated the phylogenetics of the domain by first being thought of as ancient as compared to the more recent view of them being highly derived eukaryotes?

Accepted Answer

A)  dinoflagellates 
B)  fungi 
C)  hydrogenosome-containing eukaryotes 
D)  stramenopiles 
A)  dinoflagellates 
B)  fungi 
C)  hydrogenosome-containing eukaryotes 
D)  stramenopiles

Question 6

What are the two main groups of green algae?

Accepted Answer

A)  chlorophytes and chrysophytes 
B)  chlorophytes and charophyceans 
C)  chrysophytes and charophyceans 
D)  chlorarachniophytes and chlorophytes 
A)  chlorophytes and chrysophytes 
B)  chlorophytes and charophyceans 
C)  chrysophytes and charophyceans 
D)  chlorarachniophytes and chlorophytes

Question 7

All Stramenopiles are phototrophic microorganisms.

Accepted Answer

A) True 
 B)False

Question 8

The function of the parabasal body is to

Accepted Answer

A)  allow for photosynthesis to occur. 
B)  give structural support to the Golgi complex. 
C)  allow for the formation of energy from aerobic respiration. 
D)  give structural support to the endoflagellum. 
A)  allow for photosynthesis to occur. 
B)  give structural support to the Golgi complex. 
C)  allow for the formation of energy from aerobic respiration. 
D)  give structural support to the endoflagellum.

Question 9

Which statement is TRUE regarding the ecological role of plant degradation by fungi?

Accepted Answer

A)  In brown rot the cellulose is attacked preferentially, and the lignin is left unmetabolized. 
B)  In brown rot the lignin is attacked preferentially, and the cellulose is left unmetabolized. 
C)  In white rot the cellulose is attacked preferentially, and the lignin is left unmetabolized. 
D)  In white rot the lignin is attacked preferentially, and the cellulose is left unmetabolized. 
A)  In brown rot the cellulose is attacked preferentially, and the lignin is left unmetabolized. 
B)  In brown rot the lignin is attacked preferentially, and the cellulose is left unmetabolized. 
C)  In white rot the cellulose is attacked preferentially, and the lignin is left unmetabolized. 
D)  In white rot the lignin is attacked preferentially, and the cellulose is left unmetabolized.

Question 10

Sporozoites observed in an insectʹs body likely indicate infection by an apicomplexan.

Accepted Answer

A) True 
 B)False

Question 11

What is an endolithic algal community? Where are these found, and how do they survive?

Accepted Answer

Endolithic algal communities would likel

Question 12

The DNA in chloroplasts and mitochondria of eukaryotic cells is derived from Bacteria.

Accepted Answer

A) True 
 B)False

Question 13

Which group of amoebozoans is most likely to cause illness in humans?

Accepted Answer

A)  dictyostelium 
B)  entamoebas 
C)  gymnamoebas 
D)  slime molds 
A)  dictyostelium 
B)  entamoebas 
C)  gymnamoebas 
D)  slime molds

Question 14

Slime molds feed by phagocytosis and are more closely related to amoebas than to fungi.

Accepted Answer

A) True 
 B)False

Question 15

A fungal mycelium is a large accumulation of ________, which may appear dusty or fuzzy due to the presence of ________.

Accepted Answer

A)  coenocytes / conidia 
B)  coenocytes / mycorrhizae 
C)  hyphae / conidia 
D)  hyphae / mycorrhizae 
A)  coenocytes / conidia 
B)  coenocytes / mycorrhizae 
C)  hyphae / conidia 
D)  hyphae / mycorrhizae

Question 16

Dinoflagellates have flagella that enable motility and occur in both freshwater and marine waters.

Accepted Answer

A) True 
 B)False

Question 17

In a freshwater pond, a green alga is likely to be

Accepted Answer

A)  only colonial. 
B)  only filamentous. 
C)  only unicellular. 
D)  colonial, filamentous, multicellular, or unicellular. 
A)  only colonial. 
B)  only filamentous. 
C)  only unicellular. 
D)  colonial, filamentous, multicellular, or unicellular.

Question 18

Describe the differences between the algae and the cyanobacteria.

Accepted Answer

Algae are photoautotrophic euk

Question 19

Despite oomycetes being called ʺwater molds,ʺ they are phylogenetically distant from most other fungi.

Accepted Answer

A) True 
 B)False

Question 20

Microsporidia were previously thought to be an early-branching taxon of Eukarya due to their parasitic lifestyle. However, new evidence suggests that they are more closely related to the

Accepted Answer

A)  ascomycetes. 
B)  chytridiomycetes. 
C)  glomeromycetes. 
D)  zygomycetes. 
A)  ascomycetes. 
B)  chytridiomycetes. 
C)  glomeromycetes. 
D)  zygomycetes.

Exam 18: Diversity of Microbial Eukarya

What phenomenon accounts for the appearance of chloroplasts in some unicellular phototrophic eukaryotes?

Among protists, only the ciliates have a micronucleus and macronucleus where genes are located in two discrete areas within each cell for redundancy.

How can the amebozoans and radiolarians be distinguished from each other with microscopy?

The unusual ability of ________ being flagellated and motile enables ________.

Which group of Eukarya has complicated the phylogenetics of the domain by first being thought of as ancient as compared to the more recent view of them being highly derived eukaryotes?

What are the two main groups of green algae?

All Stramenopiles are phototrophic microorganisms.

The function of the parabasal body is to

Which statement is TRUE regarding the ecological role of plant degradation by fungi?

Sporozoites observed in an insectʹs body likely indicate infection by an apicomplexan.

What is an endolithic algal community? Where are these found, and how do they survive?

The DNA in chloroplasts and mitochondria of eukaryotic cells is derived from Bacteria.

Which group of amoebozoans is most likely to cause illness in humans?

Slime molds feed by phagocytosis and are more closely related to amoebas than to fungi.

A fungal mycelium is a large accumulation of ________, which may appear dusty or fuzzy due to the presence of ________.

Dinoflagellates have flagella that enable motility and occur in both freshwater and marine waters.

In a freshwater pond, a green alga is likely to be

Describe the differences between the algae and the cyanobacteria.

Despite oomycetes being called ʺwater molds,ʺ they are phylogenetically distant from most other fungi.

Microsporidia were previously thought to be an early-branching taxon of Eukarya due to their parasitic lifestyle. However, new evidence suggests that they are more closely related to the

The Microbial World

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Information Flow and Protein Processing

Microbial Growth and Its Control

Microbial Regulatory Systems

Molecular Biology of Microbial Growth

Viruses and Their Replication

Microbial Systems Biology

Viral Genomics, Diversity, and Ecology

Genetics of Bacteria and Archaea

Biotechnology and Synthetic Biology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Microorganisms

Diversity of Bacteria

Diversity of Archaea

Taking the Measure of Microbial Systems

Microbial Ecosystems

Nutrient Cycles

Microbiology of the Built Environment

Microbial Symbioses

Microbial Symbioses with Humans

Microbial Infection and Pathogenesis

Innate Immunity: Broadly Specific Host Defenses

Adaptive Immunity: Highly Specific Host Defenses

Clinical Microbiology and Immunology

Epidemiology

Person-to-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Waterborne and Foodborne Bacterial and Viral Diseases

Eukaryotic Pathogens: Fungi, Protozoans, and Helminths

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The unusual ability of being flagellated and motile enables .

A fungal mycelium is a large accumulation of , which may appear dusty or fuzzy due to the presence of .