Question 1

Explain how endoliths derive energy inside bedrock, where there is no sunlight.

Accepted Answer

Endoliths are chemilithotrophs. It is be

Question 2

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 3

Describe the technique pioneered by Robert Hungate of the University of California at Davis to study anaerobic microbiology of the rumen. What types of questions can be answered with this technique?

Accepted Answer

Robert Hungate pioneered the use of the

Question 4

Bacteroids remain sequestered within a sac of plant-derived membrane known as the

Accepted Answer

A)  flavonoid. 
B)  infection thread. 
C)  Nod factor. 
D)  nucleosome. 
E)  symbiosome. 
A)  flavonoid. 
B)  infection thread. 
C)  Nod factor. 
D)  nucleosome. 
E)  symbiosome.

Question 5

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 6

The following image illustrates a syntrophic relationship between an archaeon and a bacterium. The technique used to generate this image was

Accepted Answer

A)  light microscopy. 
B)  transmission electron microscopy. 
C)  metagenomics. 
D)  fluorescence in situ hybridization. 
E)  atomic force microscopy. 
A)  light microscopy. 
B)  transmission electron microscopy. 
C)  metagenomics. 
D)  fluorescence in situ hybridization. 
E)  atomic force microscopy.

Question 7

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 8

A rarefaction curve is the

Accepted Answer

A)  number of sequences generated from a metagenome. 
B)  number of SSU rRNA sequences found in a metagenome. 
C)  number of OTUs found as a function of increasing sample size. 
D)  total number of OTUs from all combined genes in a metagenome. 
E)  number of organisms in an environment. 
A)  number of sequences generated from a metagenome. 
B)  number of SSU rRNA sequences found in a metagenome. 
C)  number of OTUs found as a function of increasing sample size. 
D)  total number of OTUs from all combined genes in a metagenome. 
E)  number of organisms in an environment.

Question 9

The net biomass of a population does not indicate productivity within an ecosystem. Explain.

Accepted Answer

At each trophic level above the producer

Question 10

Which step is NOT common for metagenomic processing and analysis?

Accepted Answer

A)  FISH 
B)  binning 
C)  functional annotation 
D)  contig assembly 
E)  scaffold assembly 
A)  FISH 
B)  binning 
C)  functional annotation 
D)  contig assembly 
E)  scaffold assembly

Explain how endoliths derive energy inside bedrock, where there is no sunlight.

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

Describe the technique pioneered by Robert Hungate of the University of California at Davis to study anaerobic microbiology of the rumen. What types of questions can be answered with this technique?

Bacteroids remain sequestered within a sac of plant-derived membrane known as the

What does functional annotation in metagenomic analysis involve?

The following image illustrates a syntrophic relationship between an archaeon and a bacterium. The technique used to generate this image was

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

A rarefaction curve is the

The net biomass of a population does not indicate productivity within an ecosystem. Explain.

Which step is NOT common for metagenomic processing and analysis?

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 how endoliths derive energy inside bedrock, where there is no sunlight.

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

Describe the technique pioneered by Robert Hungate of the University of California at Davis to study anaerobic microbiology of the rumen. What types of questions can be answered with this technique?

Bacteroids remain sequestered within a sac of plant-derived membrane known as the

What does functional annotation in metagenomic analysis involve?

The following image illustrates a syntrophic relationship between an archaeon and a bacterium. The technique used to generate this image was

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

A rarefaction curve is the

The net biomass of a population does not indicate productivity within an ecosystem. Explain.

Which step is NOT common for metagenomic processing and analysis?

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