Question 1

Marine dead zones are characterized as being

Accepted Answer

A)  hypoxic. 
B)  aerated. 
C)  devoid of nitrogen fixation. 
D)  dangerous for ship sail. 
E)  usually naturally occurring. 
A)  hypoxic. 
B)  aerated. 
C)  devoid of nitrogen fixation. 
D)  dangerous for ship sail. 
E)  usually naturally occurring.

Question 2

The following image is evidence supporting ________ on Mars.

Accepted Answer

A)  life 
B)  past water 
C)  tectonic processes 
D)  current water 
E)  volcanic flow 
A)  life 
B)  past water 
C)  tectonic processes 
D)  current water 
E)  volcanic flow

Question 3

The element with the highest percentage of dry weight in bacteria is

Accepted Answer

A)  calcium. 
B)  carbon. 
C)  hydrogen. 
D)  nitrogen. 
E)  phosphorus. 
A)  calcium. 
B)  carbon. 
C)  hydrogen. 
D)  nitrogen. 
E)  phosphorus.

Question 4

What are the major limitations to nitrogen fixation? How do organisms overcome these limitations?

Accepted Answer

The highly reductive reactions of nitrog

Question 5

The highly potent greenhouse gas N₂O generates ________ the warming effect of CO₂.

Accepted Answer

A)  50X 
B)  100X 
C)  150X 
D)  200X 
E)  500X 
A)  50X 
B)  100X 
C)  150X 
D)  200X 
E)  500X

Question 6

What are two mechanisms used by marine organisms to adapt to the scarcity of phosphorous?

Accepted Answer

The genomes of marine phototrophs encode

Question 7

The figure below shows the ignition of methane from what source? Why is this methane source a major concern for global warming?

Accepted Answer

The methane source is methane hydrates t

Question 8

Phosphorus is a fundamental element of which biological molecule?

Accepted Answer

A)  cofactors for enzymes 
B)  siderophores 
C)  proteins 
D)  nucleic acids 
E)  peptidoglycan 
A)  cofactors for enzymes 
B)  siderophores 
C)  proteins 
D)  nucleic acids 
E)  peptidoglycan

Question 9

How are wetlands similar to or different from commercial wastewater treatment plants?

Accepted Answer

Wetlands remove nitrogen through the act

Question 10

What is one of the main challenges of treating industrial runoff versus municipal wastewaters?

Accepted Answer

A)  more solid waste 
B)  higher oxygen concentrations 
C)  toxic chemicals 
D)  higher organic loads 
E)  lower oxygen concentrations 
A)  more solid waste 
B)  higher oxygen concentrations 
C)  toxic chemicals 
D)  higher organic loads 
E)  lower oxygen concentrations

Marine dead zones are characterized as being

The following image is evidence supporting ________ on Mars.

The element with the highest percentage of dry weight in bacteria is

What are the major limitations to nitrogen fixation? How do organisms overcome these limitations?

The highly potent greenhouse gas N₂O generates ________ the warming effect of CO₂.

What are two mechanisms used by marine organisms to adapt to the scarcity of phosphorous?

The figure below shows the ignition of methane from what source? Why is this methane source a major concern for global warming?

Phosphorus is a fundamental element of which biological molecule?

How are wetlands similar to or different from commercial wastewater treatment plants?

What is one of the main challenges of treating industrial runoff versus municipal wastewaters?

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

Microbial Ecology

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

Filters

Exam 22: Microbes in Global Elemental Cycles

Marine dead zones are characterized as being

The following image is evidence supporting ________ on Mars.

The element with the highest percentage of dry weight in bacteria is

What are the major limitations to nitrogen fixation? How do organisms overcome these limitations?

The highly potent greenhouse gas N₂O generates ________ the warming effect of CO₂.

What are two mechanisms used by marine organisms to adapt to the scarcity of phosphorous?

The figure below shows the ignition of methane from what source? Why is this methane source a major concern for global warming?

Phosphorus is a fundamental element of which biological molecule?

How are wetlands similar to or different from commercial wastewater treatment plants?

What is one of the main challenges of treating industrial runoff versus municipal wastewaters?

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

Microbial Ecology

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

Filters