Question 1

Which contaminant in water is especially prevalent in agricultural regions of the United States?

Accepted Answer

A)  carbon 
B)  sulfur 
C)  phosphate 
D)  nitrate 
E)  magnesium 
A)  carbon 
B)  sulfur 
C)  phosphate 
D)  nitrate 
E)  magnesium

Question 2

An environmental location has been contaminated with a high concentration of selenium. Explain how bacteria could be used to remediate this site.

Accepted Answer

Many environmental bacteria can use exog

Question 3

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

Accepted Answer

Wetlands purify runoff and pollutants fr

Question 4

The relative composition of elements across all species is:

Accepted Answer

A)  constant 
B)  varied 
C)  not measurable 
D)  independent of abiotic factors 
E)  called its "reservoir" 
A)  constant 
B)  varied 
C)  not measurable 
D)  independent of abiotic factors 
E)  called its "reservoir"

Question 5

Marine dead zones are characterized as being:

Accepted Answer

A)  hypoxic 
B)  aerated 
C)  devoid of fish 
D)  dangerous for ship sail 
E)  both A and C 
A)  hypoxic 
B)  aerated 
C)  devoid of fish 
D)  dangerous for ship sail 
E)  both A and C

Question 6

Predict the relative levels of biological oxygen demand (BOD) of water flowing into and out of a municipal wastewater treatment plant. Why is this difference desirable?

Accepted Answer

BOD is the total amount of dissolved oxy

Question 7

The release of CO2 by human industry has/is __________ the rate of CO2 fixation globally.

Accepted Answer

A)  equal to 
B)  tripled 
C)  outpaced 
D)  far less than 
E)  none of the above 
A)  equal to 
B)  tripled 
C)  outpaced 
D)  far less than 
E)  none of the above

Question 8

Which of these is involved in commercial chemical fertilizer production?

Accepted Answer

A)  lightning strikes 
B)  Haber process 
C)  cellular nitrogen fixation 
D)  nitrification 
E)  denitrification 
A)  lightning strikes 
B)  Haber process 
C)  cellular nitrogen fixation 
D)  nitrification 
E)  denitrification

Question 9

What do wastewater treatment plants have in common with wetland filtration (purification)?

Accepted Answer

A)  the type of wastewater treated is the same 
B)  the engineering designs and flow are similar 
C)  they depend on microbes to remove nitrogen and carbon 
D)  chlorine is used to decontaminate pollutants 
E)  they are both continually aerated 
A)  the type of wastewater treated is the same 
B)  the engineering designs and flow are similar 
C)  they depend on microbes to remove nitrogen and carbon 
D)  chlorine is used to decontaminate pollutants 
E)  they are both continually aerated

Question 10

Which of the following is the most limiting element in marine ecosystems?

Accepted Answer

A)  iron 
B)  sulfur 
C)  carbon 
D)  phosphorous 
E)  hydrogen 
A)  iron 
B)  sulfur 
C)  carbon 
D)  phosphorous 
E)  hydrogen

Exam 22: Microbes in Global Elemental Cycles

Which contaminant in water is especially prevalent in agricultural regions of the United States?

An environmental location has been contaminated with a high concentration of selenium. Explain how bacteria could be used to remediate this site.

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

The relative composition of elements across all species is:

Marine dead zones are characterized as being:

Predict the relative levels of biological oxygen demand (BOD) of water flowing into and out of a municipal wastewater treatment plant. Why is this difference desirable?

The release of CO2 by human industry has/is __________ the rate of CO2 fixation globally.

Which of these is involved in commercial chemical fertilizer production?

What do wastewater treatment plants have in common with wetland filtration (purification)?

Which of the following is the most limiting element in marine ecosystems?

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

Bio-techniques 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

What Do Winning Organizations Do Well

Understanding Customer Needs

Choosing Which Customers to Serve

Developing a Strong Marketing Plan

Product and Brand Strategies

Pricing Strategies

Channel Strategies

Marketing Communications Strategies

Delivering Customer Value

Building a Customer-Focused Business

Customer Attraction, Satisfaction, and Retention Strategies

Building the Marketing Organization of the Future

Filters

The release of CO₂ by human industry has/is __________ the rate of CO₂ fixation globally.