Question 1

Which of these pairs best categorizes water below the thermocline in a lake during the summer?

Accepted Answer

A) warm and aerobic 
B) low density and anaerobic 
C) cold and aerobic 
D) low density and aerobic 
E) cold and anaerobic 
A) warm and aerobic 
B) low density and anaerobic 
C) cold and aerobic 
D) low density and aerobic 
E) cold and anaerobic

Question 2

From the study of deep subsurface microbiology,what is the approximate upper temperature limit for microbial growth?

Accepted Answer

A) 80°C 
B) 90°C 
C) 100°C 
D) 110°C 
E) 120°C 
A) 80°C 
B) 90°C 
C) 100°C 
D) 110°C 
E) 120°C

Question 3

What possible sources of energy may be used by microbes living in hydrothermal vents?

Accepted Answer

A) nitrate and methane 
B) methane and sulfide 
C) sulfide and nitrate 
D) sulfate and nitrate 
E) sulfate and methane 
A) nitrate and methane 
B) methane and sulfide 
C) sulfide and nitrate 
D) sulfate and nitrate 
E) sulfate and methane

Question 4

Which of these is the LEAST important physiological activity to consider when studying an ecosystem?

Accepted Answer

A) primary production by chemolithotrophs 
B) primary production by phototrophs 
C) decomposition by chemoorganotrophs 
D) methane production by methanogens 
E) biogeochemical cycling of the elements 
A) primary production by chemolithotrophs 
B) primary production by phototrophs 
C) decomposition by chemoorganotrophs 
D) methane production by methanogens 
E) biogeochemical cycling of the elements

Question 5

The use of living organisms to clean up chemically contaminated soils is called __________.

Accepted Answer

The answer of The use of living organisms to clean...

Question 6

A soil with 50% clay,20% silt and 10% sand is classified texturally as:

Accepted Answer

A) loam 
B) sandy loam 
C) clay 
D) silty clay loam 
E) sandy clay loam 
A) loam 
B) sandy loam 
C) clay 
D) silty clay loam 
E) sandy clay loam

Question 7

Microbes are able to generate energy through the:

Accepted Answer

A) oxidation of organic compounds only. 
B) reduction of organic compounds only. 
C) oxidation of inorganic and organic compounds. 
D) reduction of inorganic and organic compounds. 
E) synthesis of ATP. 
A) oxidation of organic compounds only. 
B) reduction of organic compounds only. 
C) oxidation of inorganic and organic compounds. 
D) reduction of inorganic and organic compounds. 
E) synthesis of ATP.

Which of these pairs best categorizes water below the thermocline in a lake during the summer?

From the study of deep subsurface microbiology,what is the approximate upper temperature limit for microbial growth?

What possible sources of energy may be used by microbes living in hydrothermal vents?

Which of these is the LEAST important physiological activity to consider when studying an ecosystem?

The use of living organisms to clean up chemically contaminated soils is called __________.

A soil with 50% clay,20% silt and 10% sand is classified texturally as:

Microbes are able to generate energy through the:

The Microbial World

Bacteria

Eukaryal Microbes

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Microbial Biotechnology

Metabolism

Biogeochemical Cycles

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Innate Host Defenses Against Microbial Invasion

Adaptive Immunity

Virulence Factors and Pathogenic Mechanisms of Bacterial Infections

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

Filters

Exam 15: Microbial Ecosystems

Which of these pairs best categorizes water below the thermocline in a lake during the summer?

From the study of deep subsurface microbiology,what is the approximate upper temperature limit for microbial growth?

What possible sources of energy may be used by microbes living in hydrothermal vents?

Which of these is the LEAST important physiological activity to consider when studying an ecosystem?

The use of living organisms to clean up chemically contaminated soils is called __________.

A soil with 50% clay,20% silt and 10% sand is classified texturally as:

Microbes are able to generate energy through the:

The Microbial World

Bacteria

Eukaryal Microbes

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Microbial Biotechnology

Metabolism

Biogeochemical Cycles

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Innate Host Defenses Against Microbial Invasion

Adaptive Immunity

Virulence Factors and Pathogenic Mechanisms of Bacterial Infections

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

Filters