Question 1

Spirochetes have a twisting and flexing locomotion due to appendages called

Accepted Answer

A) flagella. 
B) cilia. 
C) fimbriae. 
D) periplasmic flagella. 
E) sex pili. 
A) flagella. 
B) cilia. 
C) fimbriae. 
D) periplasmic flagella. 
E) sex pili.

Question 2

Endospores are

Accepted Answer

A) metabolically inactive. 
B) resistant to heat and chemical destruction. 
C) resistant to destruction by radiation. 
D) living structures. 
E) All of the choices are correct. 
A) metabolically inactive. 
B) resistant to heat and chemical destruction. 
C) resistant to destruction by radiation. 
D) living structures. 
E) All of the choices are correct.

Question 3

A microoganism has been described to you as living in hot acidic habitats in the waste piles of coal mines that regularly sustain a pH of 1 and a temperature of nearly 60°C.Which type of organism do you immediately assume it is?

Accepted Answer

A) Gracillucates 
B) Firmicutes 
C) Actinobacteria 
D) Archaea 
E) Spirochaetes
04)34 Explain archaeal adaptations that place them in the category of extremophiles. 
A) Gracillucates 
B) Firmicutes 
C) Actinobacteria 
D) Archaea 
E) Spirochaetes
04)34 Explain archaeal adaptations that place them in the category of extremophiles.

Question 4

Sarcinae refers to

Accepted Answer

A) cocci in pairs. 
B) a cuboidal packet of cells. 
C) groups of endopsores. 
D) coffee-bean shaped rods in pairs. 
E) vibrios in threes. 
A) cocci in pairs. 
B) a cuboidal packet of cells. 
C) groups of endopsores. 
D) coffee-bean shaped rods in pairs. 
E) vibrios in threes.

Question 5

All of the following pertain to endotoxins, except they

Accepted Answer

A) are specific bacterial cell wall lipids. 
B) can stimulate fever in the human body. 
C) can cause shock in the human body. 
D) are involved in typhoid fever and some meningitis cases. 
E) are found in acid fast bacterial cell walls. 
A) are specific bacterial cell wall lipids. 
B) can stimulate fever in the human body. 
C) can cause shock in the human body. 
D) are involved in typhoid fever and some meningitis cases. 
E) are found in acid fast bacterial cell walls.

Question 6

Archaea do not have the typical peptidoglycan structure found in bacterial cell walls.04.34 Explain archaeal adaptations that place them in the category of extremophiles.

Accepted Answer

A) True 
 B)False

Question 7

All of the following are correct about biofilms, except

Accepted Answer

A) they are cooperative associations among several microbial groups. 
B) they play an important role in recycling elements in the earth. 
C) they can colonize medical devices. 
D) an example could be the scum that builds up in toilet bowls. 
E) they are harmless aggregations of microbes.04.23 Identify several arrangements of bacteria and tell how they are formed. 
A) they are cooperative associations among several microbial groups. 
B) they play an important role in recycling elements in the earth. 
C) they can colonize medical devices. 
D) an example could be the scum that builds up in toilet bowls. 
E) they are harmless aggregations of microbes.04.23 Identify several arrangements of bacteria and tell how they are formed.

Question 8

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.04.23 Identify several arrangements of bacteria and tell how they are formed.

Accepted Answer

The answer of Cells form a _____ arrangement when cells...

Question 9

Endospores of certain bacterial species can enter tissues in the human body, germinate, and cause an infectious disease.

Accepted Answer

A) True 
 B)False

Question 10

Magnetosomes are

Accepted Answer

A) infoldings of the cell membrane. 
B) termed metachromatic granules. 
C) responsible for the heat resistance of endospores. 
D) composed of magnetic iron oxide particles. 
E) found in all bacteria. 
A) infoldings of the cell membrane. 
B) termed metachromatic granules. 
C) responsible for the heat resistance of endospores. 
D) composed of magnetic iron oxide particles. 
E) found in all bacteria.

Question 11

The outcome of the Gram stain is based on differences in the cell's

Accepted Answer

A) ribosomes. 
B) inclusions. 
C) cell wall. 
D) cell membrane. 
E) flagella.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions. 
A) ribosomes. 
B) inclusions. 
C) cell wall. 
D) cell membrane. 
E) flagella.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Question 12

Which is mismatched?

Accepted Answer

A) ribosomes - protein synthesis 
B) inclusions - excess cell nutrients and materials 
C) plasmids - genes essential for growth and metabolism 
D) nucleoid - hereditary material 
E) cytoplasm - dense, gelatinous solution 
A) ribosomes - protein synthesis 
B) inclusions - excess cell nutrients and materials 
C) plasmids - genes essential for growth and metabolism 
D) nucleoid - hereditary material 
E) cytoplasm - dense, gelatinous solution

Question 13

Bacterial cells could have any of the following appendages, except

Accepted Answer

A) flagella. 
B) cilia. 
C) fimbriae. 
D) periplasmic flagella (axial filaments). 
E) sex pili. 
A) flagella. 
B) cilia. 
C) fimbriae. 
D) periplasmic flagella (axial filaments). 
E) sex pili.

Question 14

In the Gram stain, the mordant is

Accepted Answer

A) crystal violet. 
B) safranin. 
C) alcohol. 
D) water. 
E) iodine.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions. 
A) crystal violet. 
B) safranin. 
C) alcohol. 
D) water. 
E) iodine.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Question 15

Iodine is the decolorizer in the Gram stain.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Accepted Answer

A) True 
 B)False

Question 16

A bacterial cell exhibiting chemotaxis probably has

Accepted Answer

A) fimbriae. 
B) capsule. 
C) mesosomes. 
D) flagella. 
E) metachromatic granules. 
A) fimbriae. 
B) capsule. 
C) mesosomes. 
D) flagella. 
E) metachromatic granules.

Question 17

The enzyme _____, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.

Accepted Answer

The answer of The enzyme _____, that is found in...

Question 18

Compare the following: bacterial species, bacterial strain, and bacterial type.Explain the relationship and development of strains and types to a species.

Accepted Answer

Bacterial species, bacterial strain, and

Question 19

The bacterial chromosome

Accepted Answer

A) is located in the cell membrane. 
B) contains all the cell's plasmids. 
C) is part of the nucleoid. 
D) forms a single linear strand of DNA. 
E) All of the choices are correct. 
A) is located in the cell membrane. 
B) contains all the cell's plasmids. 
C) is part of the nucleoid. 
D) forms a single linear strand of DNA. 
E) All of the choices are correct.

Question 20

Which of the following is mismatched?

Accepted Answer

A) Rickettsia rickettsii: Rocky Mountain Spotted Fever 
B) Rickettsia typhi: endemic typhus 
C) Chlamydia trachomatis: blindness 
D) Coxiella burnetti: Cow pox 
E) All of these are correct associations 
A) Rickettsia rickettsii: Rocky Mountain Spotted Fever 
B) Rickettsia typhi: endemic typhus 
C) Chlamydia trachomatis: blindness 
D) Coxiella burnetti: Cow pox 
E) All of these are correct associations

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

Spirochetes have a twisting and flexing locomotion due to appendages called

Endospores are

A microoganism has been described to you as living in hot acidic habitats in the waste piles of coal mines that regularly sustain a pH of 1 and a temperature of nearly 60°C.Which type of organism do you immediately assume it is?

Sarcinae refers to

All of the following pertain to endotoxins, except they

Archaea do not have the typical peptidoglycan structure found in bacterial cell walls.04.34 Explain archaeal adaptations that place them in the category of extremophiles.

All of the following are correct about biofilms, except

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.04.23 Identify several arrangements of bacteria and tell how they are formed.

Endospores of certain bacterial species can enter tissues in the human body, germinate, and cause an infectious disease.

Magnetosomes are

The outcome of the Gram stain is based on differences in the cell's

Which is mismatched?

Bacterial cells could have any of the following appendages, except

In the Gram stain, the mordant is

Iodine is the decolorizer in the Gram stain.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

A bacterial cell exhibiting chemotaxis probably has

The enzyme _____, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.

Compare the following: bacterial species, bacterial strain, and bacterial type.Explain the relationship and development of strains and types to a species.

The bacterial chromosome

Which of the following is mismatched?

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters

A microoganism has been described to you as living in hot acidic habitats in the waste piles of coal mines that regularly sustain a pH of 1 and a temperature of nearly 60^°C.Which type of organism do you immediately assume it is?