Question 1

Schizogony refers to the life-cycle stage of ________ in Plasmodium falciparum, which is found in the ________ stage.

Accepted Answer

A)  mitotic reproduction and zygote development into spore-like form for transmission to next host; mosquito 
B)  mitotic reproduction to achieve large population within the vertebrate host; liver 
C)  meiotic reproduction to produce gametes; red-blood-cell 
D)  mitotic reproduction and zygote development into spore-like form for transmission to next host; red-blood-cell 
E)  meiotic reproduction to produce gametes; mosquito 
A)  mitotic reproduction and zygote development into spore-like form for transmission to next host; mosquito 
B)  mitotic reproduction to achieve large population within the vertebrate host; liver 
C)  meiotic reproduction to produce gametes; red-blood-cell 
D)  mitotic reproduction and zygote development into spore-like form for transmission to next host; red-blood-cell 
E)  meiotic reproduction to produce gametes; mosquito

Question 2

Which of the following algae reproduce by opposite mating filaments forming a cytoplasmic conjugate bridge to fuse cellular material?

Accepted Answer

A)  filamentous green algae (Spirogyra) 
B)  sheet-forming red algae (Porphyra) 
C)  unicellular green algae (Chlamydomonas) 
D)  diatoms (Corethron) 
E)  foraminiferans (Globigerinella) 
A)  filamentous green algae (Spirogyra) 
B)  sheet-forming red algae (Porphyra) 
C)  unicellular green algae (Chlamydomonas) 
D)  diatoms (Corethron) 
E)  foraminiferans (Globigerinella)

Question 3

The following are ecological roles of fungi in nature EXCEPT

Accepted Answer

A)  forming mycorrhizae that extend the root systems of plants and assimilate phosphorus. 
B)  nitrogen fixation in legume nodules. 
C)  recycling biomass of wood and leaves. 
D)  digestion of lignin, a component of wood. 
E)  fermentation of plant materials in the digestive tract of ruminants. 
A)  forming mycorrhizae that extend the root systems of plants and assimilate phosphorus. 
B)  nitrogen fixation in legume nodules. 
C)  recycling biomass of wood and leaves. 
D)  digestion of lignin, a component of wood. 
E)  fermentation of plant materials in the digestive tract of ruminants.

Question 4

Which of the following is a signal for the slime mold Dictyostelium discoideum to switch from a unicellular state to an aggregate slug formation?

Accepted Answer

A)  bacterial cell wall components (e.g., LPS, teichoic acids) 
B)  cyclic AMP 
C)  high glucose concentrations 
D)  increased light and warmth 
E)  actin polymerization 
A)  bacterial cell wall components (e.g., LPS, teichoic acids) 
B)  cyclic AMP 
C)  high glucose concentrations 
D)  increased light and warmth 
E)  actin polymerization

Question 5

Use the figure below to describe the process of hyphal extension in fungi.

Accepted Answer

In a growing fungal hypha, expansion occ

Question 6

The brewer's yeast Saccharomyces cerevisiae has been called a "single-celled" human because its genome of about 6,000 genes has many human homologs. Briefly describe three human cell processes that can be modeled using yeast.

Accepted Answer

Answers will vary.
· Being opisthokonts,

Question 7

What are protists? What is the current status of the classification of protists? What is the difference between protozoa and protists?

Accepted Answer

Historically, unicellular organisms that

Question 8

What distinguishes the Opisthokonta from other eukaryotic clades?

Accepted Answer

A)  an insertion coding for 11-17 amino acids in the elongation factor 1a gene 
B)  the sequence of ribosomal RNA genes 
C)  the sequence of RNA polymerase II 
D)  that some have a cell wall 
E)  that they are obligate heterotrophs 
A)  an insertion coding for 11-17 amino acids in the elongation factor 1a gene 
B)  the sequence of ribosomal RNA genes 
C)  the sequence of RNA polymerase II 
D)  that some have a cell wall 
E)  that they are obligate heterotrophs

Question 9

The slime mold Dictyostelium discoideum disperses spores fruiting body that are distributed by which means?

Accepted Answer

A)  water currents 
B)  interacting with passing animals 
C)  air currents 
D)  gravity 
E)  piezoelectric force 
A)  water currents 
B)  interacting with passing animals 
C)  air currents 
D)  gravity 
E)  piezoelectric force

Question 10

The structure below represents the polysaccharide ________, which is the main component of cell walls in ________.

Accepted Answer

A)  cellulose; Viridiplantae 
B)  murein; bacteria 
C)  chitin; fungi 
D)  starch; photosynthetic protists 
E)  hyaluronic acid; animals 
A)  cellulose; Viridiplantae 
B)  murein; bacteria 
C)  chitin; fungi 
D)  starch; photosynthetic protists 
E)  hyaluronic acid; animals

Schizogony refers to the life-cycle stage of in Plasmodium falciparum, which is found in the stage.

Which of the following algae reproduce by opposite mating filaments forming a cytoplasmic conjugate bridge to fuse cellular material?

The following are ecological roles of fungi in nature EXCEPT

Which of the following is a signal for the slime mold Dictyostelium discoideum to switch from a unicellular state to an aggregate slug formation?

Use the figure below to describe the process of hyphal extension in fungi.

The brewer's yeast Saccharomyces cerevisiae has been called a "single-celled" human because its genome of about 6,000 genes has many human homologs. Briefly describe three human cell processes that can be modeled using yeast.

What are protists? What is the current status of the classification of protists? What is the difference between protozoa and protists?

What distinguishes the Opisthokonta from other eukaryotic clades?

The slime mold Dictyostelium discoideum disperses spores fruiting body that are distributed by which means?

The structure below represents the polysaccharide , which is the main component of cell walls in .

Microbial Life: Origin and Discovery

Observing the Microbial Cell

Cell Structure and Function

Bacterial Culture, Growth, and Development

Environmental Influences and Control of Microbial Growth

Viruses

Genomes and Chromosomes

Transcription, Translation, and Bioinformatics

Gene Transfer, Mutations, and Genome Evolution

Molecular Regulation

Viral Molecular Biology

Biotechniques and Synthetic Biology

Energetics and Catabolism

Electron Flow in Organotrophy, Lithotrophy, and Phototrophy

Biosynthesis

Food and Industrial Microbiology

Origins and Evolution

Bacterial Diversity

Archaeal Diversity

Microbial Ecology

Microbes in Global Elemental Cycles

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

Filters

Exam 20: Eukaryotic Diversity

Schizogony refers to the life-cycle stage of ________ in Plasmodium falciparum, which is found in the ________ stage.

Which of the following algae reproduce by opposite mating filaments forming a cytoplasmic conjugate bridge to fuse cellular material?

The following are ecological roles of fungi in nature EXCEPT

Which of the following is a signal for the slime mold Dictyostelium discoideum to switch from a unicellular state to an aggregate slug formation?

Use the figure below to describe the process of hyphal extension in fungi.

The brewer's yeast Saccharomyces cerevisiae has been called a "single-celled" human because its genome of about 6,000 genes has many human homologs. Briefly describe three human cell processes that can be modeled using yeast.

What are protists? What is the current status of the classification of protists? What is the difference between protozoa and protists?

What distinguishes the Opisthokonta from other eukaryotic clades?

The slime mold Dictyostelium discoideum disperses spores fruiting body that are distributed by which means?

The structure below represents the polysaccharide ________, which is the main component of cell walls in ________.

Microbial Life: Origin and Discovery

Observing the Microbial Cell

Cell Structure and Function

Bacterial Culture, Growth, and Development

Environmental Influences and Control of Microbial Growth

Viruses

Genomes and Chromosomes

Transcription, Translation, and Bioinformatics

Gene Transfer, Mutations, and Genome Evolution

Molecular Regulation

Viral Molecular Biology

Biotechniques and Synthetic Biology

Energetics and Catabolism

Electron Flow in Organotrophy, Lithotrophy, and Phototrophy

Biosynthesis

Food and Industrial Microbiology

Origins and Evolution

Bacterial Diversity

Archaeal Diversity

Microbial Ecology

Microbes in Global Elemental Cycles

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

Filters

Schizogony refers to the life-cycle stage of in Plasmodium falciparum, which is found in the stage.

The structure below represents the polysaccharide , which is the main component of cell walls in .