Question 1

A polymer of N-acetyl-glucosamine,chitin,is a primary component to most fungal cell walls.

Accepted Answer

A) True 
 B)False

Question 2

How can the amebozoans,cercozoans,and radiolarians be distinguished from each other with microscopy if they all have pseudopodia?

Accepted Answer

A) Amebozoans have lobe-shaped pseudopodia,cercozoans and radiolarians both have threadlike pseudopodia,and radiolarians have radial symmetry. 
B) Amebozoans have lobe-shaped pseudopodia,and cercozoans are significantly smaller in size but contain threadlike pseudopodia just like radiolarians. 
C) Amebozoans have large pseudopodia,cercozoans have lobe-shaped pseudopodia,and radiolarians have radial threadlike pseudopodia. 
D) Amebozoans have multiple lobe-shaped pseudopodia,cercozoans have one or two threadlike pseudopodia,and radiolarians have multiple threadlike pseudopodia. 
A) Amebozoans have lobe-shaped pseudopodia,cercozoans and radiolarians both have threadlike pseudopodia,and radiolarians have radial symmetry. 
B) Amebozoans have lobe-shaped pseudopodia,and cercozoans are significantly smaller in size but contain threadlike pseudopodia just like radiolarians. 
C) Amebozoans have large pseudopodia,cercozoans have lobe-shaped pseudopodia,and radiolarians have radial threadlike pseudopodia. 
D) Amebozoans have multiple lobe-shaped pseudopodia,cercozoans have one or two threadlike pseudopodia,and radiolarians have multiple threadlike pseudopodia.

Question 3

Some chrysophytes (or "golden algae")are actually chemoorganotrophs rather than phototrophs.

Accepted Answer

A) True 
 B)False

Question 4

Many parabasalids lack ________,which makes them different than most other eukaryotes.

Accepted Answer

A) endoplasmic reticula 
B) introns in their genomes 
C) mitochondria and hydrogenosomes 
D) Golgi complexes 
A) endoplasmic reticula 
B) introns in their genomes 
C) mitochondria and hydrogenosomes 
D) Golgi complexes

Question 5

For a pure culture of Saccharomyces cerevisiae cells that were all derived from a single cell to mate,

Accepted Answer

A) a mating-type switch in one or more cells in the culture must occur. 
B) both the α and the a gene must be fully expressed in the population. 
C) the α gene must be fully repressed in the population. 
D) some cells must exist as diploids. 
A) a mating-type switch in one or more cells in the culture must occur. 
B) both the α and the a gene must be fully expressed in the population. 
C) the α gene must be fully repressed in the population. 
D) some cells must exist as diploids.

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

What would a fucoxanthin carotenoid stain be most useful in identifying?

Accepted Answer

A) brown or golden algae 
B) flagellated algae 
C) photosynthetic diatoms 
D) slime molds from other molds 
A) brown or golden algae 
B) flagellated algae 
C) photosynthetic diatoms 
D) slime molds from other molds

Question 8

Which spores are NOT involved in sexual reproduction of fungi?

Accepted Answer

A) ascospores 
B) basidiospores 
C) conidia spores 
D) zygospores 
A) ascospores 
B) basidiospores 
C) conidia spores 
D) zygospores

Question 9

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 10

All ciliates have cilia at some point during their life cycle,and some use the cilia not just for movement but also to direct food as well.

Accepted Answer

A) True 
 B)False

Question 11

Despite oomycetes being called "water molds," they are phylogenetically distant from most other fungi.

Accepted Answer

A) True 
 B)False

Question 12

Which statement BEST describes the habitats of the fungi?

Accepted Answer

A) Most fungi are aquatic,microscopic,and primarily freshwater. 
B) Most fungi are aquatic and primarily marine. 
C) Most fungi are terrestrial,microscopic,and inhabit soil or dead plant matter. 
D) Most fungi are terrestrial and macroscopic. 
A) Most fungi are aquatic,microscopic,and primarily freshwater. 
B) Most fungi are aquatic and primarily marine. 
C) Most fungi are terrestrial,microscopic,and inhabit soil or dead plant matter. 
D) Most fungi are terrestrial and macroscopic.

Question 13

A drug that specifically inhibited the replication of the large DNA mass present in large mitochondria would be MOST effective at killing

Accepted Answer

A) euglenids. 
B) ciliates. 
C) Trypanosoma spp. 
D) Toxoplasma spp. 
A) euglenids. 
B) ciliates. 
C) Trypanosoma spp. 
D) Toxoplasma spp.

Question 14

In contrast to bacterial endospores,fungal spores LACK ________ resistance.

Accepted Answer

A) chemical 
B) desiccation 
C) heat 
D) freezing 
A) chemical 
B) desiccation 
C) heat 
D) freezing

Question 15

Several genes are used in constructing the phylogenetic tree of Eukarya,but the gene(s)encoding for ________ is/are NOT used.

Accepted Answer

A) ATPase 
B) cytoskeleton tubulins 
C) RNA polymerase 
D) tRNAs 
A) ATPase 
B) cytoskeleton tubulins 
C) RNA polymerase 
D) tRNAs

Question 16

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

Accepted Answer

A) endosymbiosis 
B) secondary endosymbiosis 
C) sequencing of chloroplasts' SSU genes 
D) horizontal gene transfer 
A) endosymbiosis 
B) secondary endosymbiosis 
C) sequencing of chloroplasts' SSU genes 
D) horizontal gene transfer

Question 17

Describe the differences between the algae and the cyanobacteria.

Accepted Answer

Algae are photoautotrophic euk

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Describe the mutualistic relationship that arbuscular mycorrhizae form with plants.

Accepted Answer

Approximately 80% or more of all land pl

Question 20

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

Exam 17: Diversity of Eukaryotic Microorganisms

A polymer of N-acetyl-glucosamine,chitin,is a primary component to most fungal cell walls.

How can the amebozoans,cercozoans,and radiolarians be distinguished from each other with microscopy if they all have pseudopodia?

Some chrysophytes (or "golden algae")are actually chemoorganotrophs rather than phototrophs.

Many parabasalids lack ________,which makes them different than most other eukaryotes.

For a pure culture of Saccharomyces cerevisiae cells that were all derived from a single cell to mate,

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

What would a fucoxanthin carotenoid stain be most useful in identifying?

Which spores are NOT involved in sexual reproduction of fungi?

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

All ciliates have cilia at some point during their life cycle,and some use the cilia not just for movement but also to direct food as well.

Despite oomycetes being called "water molds," they are phylogenetically distant from most other fungi.

Which statement BEST describes the habitats of the fungi?

A drug that specifically inhibited the replication of the large DNA mass present in large mitochondria would be MOST effective at killing

In contrast to bacterial endospores,fungal spores LACK ________ resistance.

Several genes are used in constructing the phylogenetic tree of Eukarya,but the gene(s)encoding for ________ is/are NOT used.

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

Describe the differences between the algae and the cyanobacteria.

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

Describe the mutualistic relationship that arbuscular mycorrhizae form with plants.

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

Microorganisms and Microbiology

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Biology

Microbial Growth and Control

Microbial Genomics

Metabolic Regulation

Viruses and Virology

Viral Genomes and Diversity

Genetics of Bacteria and Archaea

Genetic Engineering and Biotechnology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Bacteria

Diversity of Bacteria

Diversity of Archaea

Methods in Microbial Ecology

Microbial Ecosystems

Nutrient Cycles

Microbiology of the Built Environment

Microbial Symbioses

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology

Epidemiology

Person-To-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Water and Food As Vehicles of Bacterial Diseases

Eukaryotic Pathogens: Fungal and Parasitic Diseases

Filters

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