Question 1

Which of the following statements is FALSE?

Accepted Answer

A)  Microbial cells can exist as single cells. 
B)  Microbial cells carry out their life processes of growth independently. 
C)  Microbial cells include both bacteria and viruses. 
D)  Microbial cells are surrounded by a plasma membrane. 
A)  Microbial cells can exist as single cells. 
B)  Microbial cells carry out their life processes of growth independently. 
C)  Microbial cells include both bacteria and viruses. 
D)  Microbial cells are surrounded by a plasma membrane.

Question 2

Describe beneficial and harmful ways in which microorganisms interact with agricultural crops.

Accepted Answer

Certain microbes are beneficial to crops

Question 3

Compare and contrast the functions microbes serve in the digestive systems of both humans and rumens (e.g., cattle).

Accepted Answer

Answers will vary but should focus on hu

Question 4

The theory of spontaneous generation was refuted by the work of

Accepted Answer

A)  Louis Pasteur. 
B)  Robert Koch. 
C)  Robert Hooke. 
D)  Antoni van Leeuwenhoek. 
A)  Louis Pasteur. 
B)  Robert Koch. 
C)  Robert Hooke. 
D)  Antoni van Leeuwenhoek.

Question 5

Mycobacterium tuberculosis is very difficult to stain because of the

Accepted Answer

A)  presence of ribosomes in the cytoplasm. 
B)  location of the DNA within the cell. 
C)  large amounts of a waxlike lipids present in its cell wall. 
D)  lack of a cell wall. 
A)  presence of ribosomes in the cytoplasm. 
B)  location of the DNA within the cell. 
C)  large amounts of a waxlike lipids present in its cell wall. 
D)  lack of a cell wall.

Question 6

The structure that confers structural strength on the cell is known as the

Accepted Answer

A)  cytoplasmic membrane. 
B)  cell wall. 
C)  ribosome. 
D)  cytoplasm. 
A)  cytoplasmic membrane. 
B)  cell wall. 
C)  ribosome. 
D)  cytoplasm.

Question 7

A microbial cell's membrane is considered ________, because its internal constituents are maintained within the cell. However, it also imports and exports other molecules in response to its environment.

Accepted Answer

A)  differential 
B)  microselective 
C)  rigid 
D)  semipermeable 
A)  differential 
B)  microselective 
C)  rigid 
D)  semipermeable

Question 8

________ produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States, and specialized ________ are needed to make this a commercially available product.

Accepted Answer

A)  Biodiesel / biotechnologists 
B)  Biodiesel / industrial microbiologists 
C)  Ethanol / biotechnologists 
D)  Ethanol / industrial microbiologists 
A)  Biodiesel / biotechnologists 
B)  Biodiesel / industrial microbiologists 
C)  Ethanol / biotechnologists 
D)  Ethanol / industrial microbiologists

Question 9

Which of the following is/are characteristic of all cellular organisms?

Accepted Answer

A)  communication 
B)  evolution 
C)  motility 
D)  communication, evolution, and motility 
A)  communication 
B)  evolution 
C)  motility 
D)  communication, evolution, and motility

Question 10

Biological catalysts involved in the acceleration of the rate of chemical reactions are called

Accepted Answer

A)  catalytic converters. 
B)  growth agents. 
C)  evolutionary molecules. 
D)  enzymes. 
A)  catalytic converters. 
B)  growth agents. 
C)  evolutionary molecules. 
D)  enzymes.

Question 11

Archaea and Bacteria are unified as prokaryotes in lacking ________ which Eukarya contain, such as mitochondria.

Accepted Answer

A)  membranes 
B)  nuclei 
C)  membrane-enclosed organelles 
D)  nuclei and membrane-enclosed organelles 
A)  membranes 
B)  nuclei 
C)  membrane-enclosed organelles 
D)  nuclei and membrane-enclosed organelles

Question 12

The environment in which a microbial population lives is called its habitat.

Accepted Answer

A) True 
 B)False

Question 13

Who was the first researcher to provide direct experimental data that supported the germ theory to explain infectious disease?

Accepted Answer

A)  Pasteur 
B)  Winogradsky 
C)  Lister 
D)  Koch 
A)  Pasteur 
B)  Winogradsky 
C)  Lister 
D)  Koch

Question 14

Why is it incorrect to say that an object is partially sterile?

Accepted Answer

Sterile means the absence of a

Question 15

Treponema pallidum, a bacterium associated with syphilis, is not considered a pathogen because to date it remains unculturable in the lab, and, therefore, Koch's postulates are unable to be fulfilled.

Accepted Answer

A) True 
 B)False

Question 16

List three contributions of Ferdinand Cohn to the development of microbiology.

Accepted Answer

Answers could possibly include: founding

Question 17

Transparent double-sided dishes used for growing microbes are most commonly called

Accepted Answer

A)  Petri dishes. 
B)  baker dishes. 
C)  sterilization plates. 
D)  culture medium plates. 
A)  Petri dishes. 
B)  baker dishes. 
C)  sterilization plates. 
D)  culture medium plates.

Question 18

When medical devices are left in the body, bacteria may grow on them as ________, which makes them especially resistant to treatment.

Accepted Answer

A)  biofilms 
B)  liquids 
C)  populations 
D)  communities 
A)  biofilms 
B)  liquids 
C)  populations 
D)  communities

Question 19

Which of the following is NOT an accomplishment of Louis Pasteur?

Accepted Answer

A)  determined that the alcohol-making process was mediated by microbial fermentation and thus refuted the theory of spontaneous generation 
B)  developed enrichment culture techniques 
C)  developed heat sterilization techniques that involved the creation of a specialized swan-necked flask 
D)  developed the first rabies vaccine and treated thousands of individuals 
A)  determined that the alcohol-making process was mediated by microbial fermentation and thus refuted the theory of spontaneous generation 
B)  developed enrichment culture techniques 
C)  developed heat sterilization techniques that involved the creation of a specialized swan-necked flask 
D)  developed the first rabies vaccine and treated thousands of individuals

Question 20

The discipline of microbiology is intimately associated with biochemistry and genetics, because cells are both biochemical catalysts and genetic coding devices.

Accepted Answer

A) True 
 B)False

Exam 1: The Microbial World

Which of the following statements is FALSE?

Describe beneficial and harmful ways in which microorganisms interact with agricultural crops.

Compare and contrast the functions microbes serve in the digestive systems of both humans and rumens (e.g., cattle).

The theory of spontaneous generation was refuted by the work of

Mycobacterium tuberculosis is very difficult to stain because of the

The structure that confers structural strength on the cell is known as the

A microbial cell's membrane is considered ________, because its internal constituents are maintained within the cell. However, it also imports and exports other molecules in response to its environment.

________ produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States, and specialized ________ are needed to make this a commercially available product.

Which of the following is/are characteristic of all cellular organisms?

Biological catalysts involved in the acceleration of the rate of chemical reactions are called

Archaea and Bacteria are unified as prokaryotes in lacking ________ which Eukarya contain, such as mitochondria.

The environment in which a microbial population lives is called its habitat.

Who was the first researcher to provide direct experimental data that supported the germ theory to explain infectious disease?

Why is it incorrect to say that an object is partially sterile?

Treponema pallidum, a bacterium associated with syphilis, is not considered a pathogen because to date it remains unculturable in the lab, and, therefore, Koch's postulates are unable to be fulfilled.

List three contributions of Ferdinand Cohn to the development of microbiology.

Transparent double-sided dishes used for growing microbes are most commonly called

When medical devices are left in the body, bacteria may grow on them as ________, which makes them especially resistant to treatment.

Which of the following is NOT an accomplishment of Louis Pasteur?

The discipline of microbiology is intimately associated with biochemistry and genetics, because cells are both biochemical catalysts and genetic coding devices.

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Information Flow and Protein Processing

Microbial Growth and Its Control

Microbial Regulatory Systems

Molecular Biology of Microbial Growth

Viruses and Their Replication

Microbial Systems Biology

Viral Genomics, Diversity, and Ecology

Genetics of Bacteria and Archaea

Biotechnology and Synthetic Biology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Microorganisms

Diversity of Bacteria

Diversity of Archaea

Diversity of Microbial Eukarya

Taking the Measure of Microbial Systems

Microbial Ecosystems

Nutrient Cycles

Microbiology of the Built Environment

Microbial Symbioses

Microbial Symbioses with Humans

Microbial Infection and Pathogenesis

Innate Immunity: Broadly Specific Host Defenses

Adaptive Immunity: Highly Specific Host Defenses

Clinical Microbiology and Immunology

Epidemiology

Person-to-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Waterborne and Foodborne Bacterial and Viral Diseases

Eukaryotic Pathogens: Fungi, Protozoans, and Helminths

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produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States, and specialized are needed to make this a commercially available product.