Question 1

Which archaea uses light energy to drive a retinal-based ion pup to establish a proton potential?

Accepted Answer

A)  all archaea 
B)  hyperthermophilic Crenarchaeota 
C)  Methanobacteriales 
D)  Haloarchaea 
E)  Sulfolobales 
A)  all archaea 
B)  hyperthermophilic Crenarchaeota 
C)  Methanobacteriales 
D)  Haloarchaea 
E)  Sulfolobales

Question 2

What novel adaptation would you expect undersea vent archaea to have versus archaea growing at a similar temperature in terrestrial hot springs?

Accepted Answer

A)  barophily 
B)  thermophily 
C)  bacteriorhodopsin phototrophy 
D)  pseudopeptidoglycan 
E)  positively supercoiled genome 
A)  barophily 
B)  thermophily 
C)  bacteriorhodopsin phototrophy 
D)  pseudopeptidoglycan 
E)  positively supercoiled genome

Question 3

The ________ have/has such divergent SSU rRNA that its/their sequence fails to amplify with "standard" PCR primers.

Accepted Answer

A)  Crenarchaeota 
B)  Euryarchaeota 
C)  Thaumarchaeota 
D)  Ancient Archaeal Group 
E)  Haloarchaea 
A)  Crenarchaeota 
B)  Euryarchaeota 
C)  Thaumarchaeota 
D)  Ancient Archaeal Group 
E)  Haloarchaea

Question 4

Which of the following contains saturated salts of essentially the same ionic proportions as the ocean?

Accepted Answer

A)  thalassic lakes 
B)  athalassic lakes 
C)  solar salterns 
D)  undersea brine pools 
E)  underground salt deposits 
A)  thalassic lakes 
B)  athalassic lakes 
C)  solar salterns 
D)  undersea brine pools 
E)  underground salt deposits

Question 5

Elizabeth Hansen and colleagues suggested which two factors contribute to methanogen presence in human gut microbiomes? What evidence supports these claims?

Accepted Answer

Hansen et al. showed that there is a gen

Question 6

Which of the following is responsible for movement away from DNA-damaging light?

Accepted Answer

A)  bacteriorhodopsin 
B)  halorhodopsin 
C)  sensory rhodopsin I 
D)  sensory rhodopsin II 
E)  sensory rhodopsin III 
A)  bacteriorhodopsin 
B)  halorhodopsin 
C)  sensory rhodopsin I 
D)  sensory rhodopsin II 
E)  sensory rhodopsin III

Question 7

Crenarchaeol is a biosignature for Thaumarchaeota. Describe its structure.

Accepted Answer

Crenarchaeol is found in all T

Question 8

Nanoarchaeum equitans is a hyperthermophilic symbiont of

Accepted Answer

A)  Ignicoccus. 
B)  Sulfolobus. 
C)  Halobacterium. 
D)  Methanococcus. 
E)  Thermoplasma. 
A)  Ignicoccus. 
B)  Sulfolobus. 
C)  Halobacterium. 
D)  Methanococcus. 
E)  Thermoplasma.

Question 9

Discuss the role of the four different types of rhodopsins found in the Halobacterium species (bacteriorhodopsin, halorhodopsin, and sensory rhodopsins I and II).

Accepted Answer

Bacteriorhodopsin is a light-driven pump

Question 10

Methanogens are classified within how many major orders?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  five 
A)  one 
B)  two 
C)  three 
D)  four 
E)  five

Which archaea uses light energy to drive a retinal-based ion pup to establish a proton potential?

What novel adaptation would you expect undersea vent archaea to have versus archaea growing at a similar temperature in terrestrial hot springs?

The ________ have/has such divergent SSU rRNA that its/their sequence fails to amplify with "standard" PCR primers.

Which of the following contains saturated salts of essentially the same ionic proportions as the ocean?

Elizabeth Hansen and colleagues suggested which two factors contribute to methanogen presence in human gut microbiomes? What evidence supports these claims?

Which of the following is responsible for movement away from DNA-damaging light?

Crenarchaeol is a biosignature for Thaumarchaeota. Describe its structure.

Nanoarchaeum equitans is a hyperthermophilic symbiont of

Discuss the role of the four different types of rhodopsins found in the Halobacterium species (bacteriorhodopsin, halorhodopsin, and sensory rhodopsins I and II).

Methanogens are classified within how many major orders?

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

Eukaryotic 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

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Exam 19: Archaeal Diversity

Which archaea uses light energy to drive a retinal-based ion pup to establish a proton potential?

What novel adaptation would you expect undersea vent archaea to have versus archaea growing at a similar temperature in terrestrial hot springs?

The ________ have/has such divergent SSU rRNA that its/their sequence fails to amplify with "standard" PCR primers.

Which of the following contains saturated salts of essentially the same ionic proportions as the ocean?

Elizabeth Hansen and colleagues suggested which two factors contribute to methanogen presence in human gut microbiomes? What evidence supports these claims?

Which of the following is responsible for movement away from DNA-damaging light?

Crenarchaeol is a biosignature for Thaumarchaeota. Describe its structure.

Nanoarchaeum equitans is a hyperthermophilic symbiont of

Discuss the role of the four different types of rhodopsins found in the Halobacterium species (bacteriorhodopsin, halorhodopsin, and sensory rhodopsins I and II).

Methanogens are classified within how many major orders?

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

Eukaryotic 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