Question 1

The genus Mycobacterium

Accepted Answer

A)  are strict anaerobes and catalase positive. 
B)  have cell walls similar to gram negative bacteria. 
C)  stain acid-fast. 
D)  are strict anaerobes and catalase positive and have cell walls similar to gram negative bacteria 
A)  are strict anaerobes and catalase positive. 
B)  have cell walls similar to gram negative bacteria. 
C)  stain acid-fast. 
D)  are strict anaerobes and catalase positive and have cell walls similar to gram negative bacteria C

Question 2

The genus Geodermatophilus is an aerobic soil organism with motile spores.

Accepted Answer

A) True 
 B)False  True

Question 3

Of the nearly 150 species in the genus Streptomyces, only S. somaliensis is known to be pathogenic in humans.

Accepted Answer

A) True 
 B)False  True

Question 4

Members of the genus Mycobacterium are said to be ______-_____ because basic fuchsin dye cannot be removed even with acid-alcohol treatment.

Accepted Answer

The answer of Members of the genus Mycobacterium are said...

Question 5

Species of the genus Gardnerella

Accepted Answer

A)  are thought to be a major cause of bacterial vaginitis. 
B)  are motile spore-forming cocci. 
C)  are normal flora found on the skin of humans. 
D)  all of the choices 
A)  are thought to be a major cause of bacterial vaginitis. 
B)  are motile spore-forming cocci. 
C)  are normal flora found on the skin of humans. 
D)  all of the choices

Question 6

The genus Arthrobacter

Accepted Answer

A)  is a significant component of the microbial flora of soil. 
B)  plays an important role in the degradation of some herbicides and pesticides. 
C)  forms heat resistant endospores. 
D)  is a significant component of the microbial flora of soil and plays an important role in the degradation of some herbicides and pesticides 
A)  is a significant component of the microbial flora of soil. 
B)  plays an important role in the degradation of some herbicides and pesticides. 
C)  forms heat resistant endospores. 
D)  is a significant component of the microbial flora of soil and plays an important role in the degradation of some herbicides and pesticides

Question 7

Features considered taxonomically important to the actinomycetes include peptidoglycan composition and structure, and morphology and color of mycelia and sporangia.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is correct about members of the genus Propionibacterium?

Accepted Answer

A)  They are used in the production of Swiss cheese. 
B)  They cause acne vulgaris and contribute to the development of body odor. 
C)  They are typically found growing on the skin and in the digestive tract of animals. 
D)  all of the choices 
A)  They are used in the production of Swiss cheese. 
B)  They cause acne vulgaris and contribute to the development of body odor. 
C)  They are typically found growing on the skin and in the digestive tract of animals. 
D)  all of the choices

Question 9

Actinomycetes degrade a variety of organic compounds and are, therefore, important in mineralization processes in the environment.

Accepted Answer

A) True 
 B)False

Question 10

Septa divide the actinomycete mycelia into cells, each containing a single nucleus.

Accepted Answer

A) True 
 B)False

Question 11

A few species of actinomycetes have been found to be pathogenic in humans, other animals, and plants.

Accepted Answer

A) True 
 B)False

Question 12

Most actinoplanetes are found in marine habitats.

Accepted Answer

A) True 
 B)False

Question 13

Diphtheria is caused by a member of which of the following genera?

Accepted Answer

A)  Mycobacterium 
B)  Corynebacterium 
C)  Propionibacterium 
D)  Nocardia 
A)  Mycobacterium 
B)  Corynebacterium 
C)  Propionibacterium 
D)  Nocardia

Question 14

Septa divide the actinomycete mycelia into long cells each containing several nucleoids.

Accepted Answer

A) True 
 B)False

Question 15

Nocardia cause biodeterioration of rubber joints in water and sewer pipes.

Accepted Answer

A) True 
 B)False

Question 16

The genus Frankia

Accepted Answer

A)  grows in symbiotic association with the roots of some higher plants and fixes nitrogen. 
B)  produces heat resistant endospores. 
C)  is strictly a marine bacterium. 
D)  produces heat resistant endospores and is strictly a marine bacterium 
A)  grows in symbiotic association with the roots of some higher plants and fixes nitrogen. 
B)  produces heat resistant endospores. 
C)  is strictly a marine bacterium. 
D)  produces heat resistant endospores and is strictly a marine bacterium

Question 17

The streptomycetes form spores on their substrate mycelia.

Accepted Answer

A) True 
 B)False

Question 18

Although the spores of actinomycetes are not as heat resistant as endospores, the extent of heat resistance they demonstrate can be used to help classify these organisms.

Accepted Answer

A) True 
 B)False

Question 19

The sexual spores of actinomycetes are called sporangiospores.

Accepted Answer

A) True 
 B)False

Question 20

Members of the genus Mycobacterium cause which of the following diseases in humans?

Accepted Answer

A)  tuberculosis and leprosy 
B)  abscesses 
C)  diphtheria 
D)  meningitis 
A)  tuberculosis and leprosy 
B)  abscesses 
C)  diphtheria 
D)  meningitis

Exam 22: Bacteria the High G+C Gram Positives

The genus Mycobacterium

The genus Geodermatophilus is an aerobic soil organism with motile spores.

Of the nearly 150 species in the genus Streptomyces, only S. somaliensis is known to be pathogenic in humans.

Members of the genus Mycobacterium are said to be ______-_____ because basic fuchsin dye cannot be removed even with acid-alcohol treatment.

Species of the genus Gardnerella

The genus Arthrobacter

Features considered taxonomically important to the actinomycetes include peptidoglycan composition and structure, and morphology and color of mycelia and sporangia.

Which of the following is correct about members of the genus Propionibacterium?

Actinomycetes degrade a variety of organic compounds and are, therefore, important in mineralization processes in the environment.

Septa divide the actinomycete mycelia into cells, each containing a single nucleus.

A few species of actinomycetes have been found to be pathogenic in humans, other animals, and plants.

Most actinoplanetes are found in marine habitats.

Diphtheria is caused by a member of which of the following genera?

Septa divide the actinomycete mycelia into long cells each containing several nucleoids.

Nocardia cause biodeterioration of rubber joints in water and sewer pipes.

The genus Frankia

The streptomycetes form spores on their substrate mycelia.

Although the spores of actinomycetes are not as heat resistant as endospores, the extent of heat resistance they demonstrate can be used to help classify these organisms.

The sexual spores of actinomycetes are called sporangiospores.

Members of the genus Mycobacterium cause which of the following diseases in humans?

The Evolution of Microorganisms and Microbiology

The Study of Microbial Structure: Microscopy and Specimen Preparation

Bacteria and Archaea

Eukaryotic Cell Structure and Function

Viruses and Other Acellular Infectious Agents

Microbial Nutrition

Microbial Growth

Control of Microorganisms in the Environment

Introduction to Metabolism

Catabolism Energy Release and Conservation

Anabolism the Use of Energy in Biosynthesis

Genes Structure, Replication, and Expression

Microbial Genetics Regulation of Gene Expression

Microbial Genetics Mechanisms of Genetic Variation

Recombinant Dna Technology

Microbial Genomics

Microbial Taxonomy and the Evolution of Diversity

The Archaea

Bacteria the Deinococci and Nonproteobacteria Gram Negatives

Bacteria the Proteobacteria

Bacteria the Low G+C Gram Positives

The Protists

The Fungi Eumycota

The Viruses

Biogeochemical Cycling

Methods in Microbial Ecology

Microorganisms in Marine and Freshwater Ecosystems

Microorganisms in Terrestrial Ecosystems

Microbial Interactions

Infection and Pathogenicity

Nonspecific Innate Host Resistance

Specific Adaptive Immunity

Antimicrobial Chemotherapy

Clinical Microbiology and Immunology

Epidemiology and Public Health Microbiology

Human Diseases Caused by Viruses and Prions

Human Diseases Caused by Bacteria

Human Diseases Caused by Fungi and Protists

Microbiology of Food

Industrial Microbiology

Applied Environmental Microbiology

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Members of the genus Mycobacterium are said to be __-_ because basic fuchsin dye cannot be removed even with acid-alcohol treatment.