Question 1

Explain at least three ways in which metagenomes may overlook organisms in the environment.

Accepted Answer

Possible answers include the following:

Question 2

Which of the following is responsible for the characteristic odor of soil?

Accepted Answer

A)  Vibrio sp. 
B)  Bacillus sp. 
C)  Streptomyces sp. 
D)  Staphylococcus sp. 
E)  Pseudomonas sp. 
A)  Vibrio sp. 
B)  Bacillus sp. 
C)  Streptomyces sp. 
D)  Staphylococcus sp. 
E)  Pseudomonas sp.

Question 3

Explain how viruses select for increased diversity of microbial plankton in the oceans.

Accepted Answer

Recent studies indicate that cell lysis

Question 4

Which of the following refers to the zone of a lake with higher relative oxygen concentrations?

Accepted Answer

A)  neuston 
B)  epilimnion 
C)  thermocline 
D)  hypolimnion 
E)  benthos 
A)  neuston 
B)  epilimnion 
C)  thermocline 
D)  hypolimnion 
E)  benthos

Question 5

The relationship among endosymbiotic microbes in the termite gut that results in complex metabolic fluxes with a negative DG, which would NOT happen for individual members, is called

Accepted Answer

A)  mutualism. 
B)  parasitism. 
C)  exothermic association. 
D)  predation. 
E)  syntrophy. 
A)  mutualism. 
B)  parasitism. 
C)  exothermic association. 
D)  predation. 
E)  syntrophy.

Question 6

Animal intestinal microbiota typically yields ________, which the host animal can absorb and digest to completion through aerobic respiration.

Accepted Answer

A)  celluloses 
B)  CO2 
C)  oligosaccharides 
D)  polysaccharides 
E)  short-chain fatty acids 
A)  celluloses 
B)  CO2 
C)  oligosaccharides 
D)  polysaccharides 
E)  short-chain fatty acids

Question 7

The Dutch microbiologist van Niel first demonstrated anoxygenic photosynthesis in soil and water bacteria. He generalized his work by hypothesizing that

Accepted Answer

A)  every molecule in nature can be used as a source of nitrogen by some microorganism. 
B)  photosynthesis results in oxygen production. 
C)  microbes are found in every environment on Earth. 
D)  microbes cannot live deep within Earth. 
E)  photosynthesis occurs deep within Earth. 
A)  every molecule in nature can be used as a source of nitrogen by some microorganism. 
B)  photosynthesis results in oxygen production. 
C)  microbes are found in every environment on Earth. 
D)  microbes cannot live deep within Earth. 
E)  photosynthesis occurs deep within Earth.

Question 8

What does functional annotation in metagenomic analysis involve?

Accepted Answer

A)  determining the number of species in the sample 
B)  calculating the %G+C in the metagenome 
C)  finding homologs or recurring peptide motifs that infer the function of the sequence 
D)  making contigs and scaffolds and assembling the sequence 
E)  analyzing the RNA sequences to see what was transcribed 
A)  determining the number of species in the sample 
B)  calculating the %G+C in the metagenome 
C)  finding homologs or recurring peptide motifs that infer the function of the sequence 
D)  making contigs and scaffolds and assembling the sequence 
E)  analyzing the RNA sequences to see what was transcribed

Question 9

Vascular abuscular mycorrhizae (VAM) are an example of which of the following?

Accepted Answer

A)  ectomycorrhizae 
B)  endomycorrhizae 
C)  free-living fungus 
D)  lignin decomposer 
E)  nitrogen fixer 
A)  ectomycorrhizae 
B)  endomycorrhizae 
C)  free-living fungus 
D)  lignin decomposer 
E)  nitrogen fixer

Question 10

Which of the following organisms forms a specific mutualistic association with legumes?

Accepted Answer

A)  rhizobia 
B)  agrobacteria 
C)  E. coli 
D)  morels 
E)  Vibrio sp. 
A)  rhizobia 
B)  agrobacteria 
C)  E. coli 
D)  morels 
E)  Vibrio sp.

Explain at least three ways in which metagenomes may overlook organisms in the environment.

Which of the following is responsible for the characteristic odor of soil?

Explain how viruses select for increased diversity of microbial plankton in the oceans.

Which of the following refers to the zone of a lake with higher relative oxygen concentrations?

The relationship among endosymbiotic microbes in the termite gut that results in complex metabolic fluxes with a negative DG, which would NOT happen for individual members, is called

Animal intestinal microbiota typically yields ________, which the host animal can absorb and digest to completion through aerobic respiration.

The Dutch microbiologist van Niel first demonstrated anoxygenic photosynthesis in soil and water bacteria. He generalized his work by hypothesizing that

What does functional annotation in metagenomic analysis involve?

Vascular abuscular mycorrhizae (VAM) are an example of which of the following?

Which of the following organisms forms a specific mutualistic association with legumes?

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

Eukaryotic Diversity

Microbes in Global Elemental Cycles

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

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Exam 21: Microbial Ecology

Explain at least three ways in which metagenomes may overlook organisms in the environment.

Which of the following is responsible for the characteristic odor of soil?

Explain how viruses select for increased diversity of microbial plankton in the oceans.

Which of the following refers to the zone of a lake with higher relative oxygen concentrations?

The relationship among endosymbiotic microbes in the termite gut that results in complex metabolic fluxes with a negative DG, which would NOT happen for individual members, is called

Animal intestinal microbiota typically yields ________, which the host animal can absorb and digest to completion through aerobic respiration.

The Dutch microbiologist van Niel first demonstrated anoxygenic photosynthesis in soil and water bacteria. He generalized his work by hypothesizing that

What does functional annotation in metagenomic analysis involve?

Vascular abuscular mycorrhizae (VAM) are an example of which of the following?

Which of the following organisms forms a specific mutualistic association with legumes?

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

Eukaryotic Diversity

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