Question 1

The process of endospore formation is _____________, while the process of an endospore growing into a vegetative cell is ____________.

Accepted Answer

A)  germination; sporulation 
B)  reproduction; sporulation 
C)  germination; reproduction 
D)  sporulation; germination 
A)  germination; sporulation 
B)  reproduction; sporulation 
C)  germination; reproduction 
D)  sporulation; germination

Question 2

Spirochetes have a twisting and flexing locomotion due to appendages called

Accepted Answer

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

Question 3

The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram-positive bacterial cell wall structure is

Accepted Answer

A)  the presence of more peptidoglycan. 
B)  the predominance of unique, waxy lipids. 
C)  the rapid decolorization during staining. 
D)  the presence of lipopolysaccharide. 
E)  All of these choices are correct. 
A)  the presence of more peptidoglycan. 
B)  the predominance of unique, waxy lipids. 
C)  the rapid decolorization during staining. 
D)  the presence of lipopolysaccharide. 
E)  All of these choices are correct.

Question 4

Classification and taxonomy provide information and contribute to each of the following endeavors, except

Accepted Answer

A)  identification of unknown species. 
B)  the study of evolutionary relationships. 
C)  tracing the origins of bacteria. 
D)  selection of appropriate antibiotics. 
E)  enabling communication among scientists regarding the same and different species of microbes. 
A)  identification of unknown species. 
B)  the study of evolutionary relationships. 
C)  tracing the origins of bacteria. 
D)  selection of appropriate antibiotics. 
E)  enabling communication among scientists regarding the same and different species of microbes.

Question 5

A prokaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Accepted Answer

A)  gram-negative. 
B)  gram-positive. 
C)  archaea. 
D)  a spheroplast. 
E)  acid fast. 
A)  gram-negative. 
B)  gram-positive. 
C)  archaea. 
D)  a spheroplast. 
E)  acid fast.

Question 6

According to current thought regarding the domains of life, which two domains are believed to be the most closely related?

Accepted Answer

A)  Bacteria and Eukarya 
B)  Archaea and Bacteria 
C)  Archaea and Eukarya 
A)  Bacteria and Eukarya 
B)  Archaea and Bacteria 
C)  Archaea and Eukarya

Question 7

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 8

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 9

Bacteria in the genus Mycopla and bacteria called L-forms lack cell walls.

Accepted Answer

A) True 
 B)False

Question 10

The periplic space is

Accepted Answer

A)  larger in gram-positive bacteria. 
B)  made up of lipopolysaccharides and phospholipids. 
C)  an important reaction site for substances entering and leaving the cell. 
D)  just external to the LPS layer of the outer membrane. 
E)  absent in gram-negative bacteria. 
A)  larger in gram-positive bacteria. 
B)  made up of lipopolysaccharides and phospholipids. 
C)  an important reaction site for substances entering and leaving the cell. 
D)  just external to the LPS layer of the outer membrane. 
E)  absent in gram-negative bacteria.

Question 11

The term that refers to the presence of flagella all over the cell surface is

Accepted Answer

A)  amphitrichous. 
B)  atrichous. 
C)  lophotrichous. 
D)  monotrichous. 
E)  peritrichous. 
A)  amphitrichous. 
B)  atrichous. 
C)  lophotrichous. 
D)  monotrichous. 
E)  peritrichous.

Question 12

Which of the following characteristics is not a property of cells or living things?

Accepted Answer

A)  cell boundary 
B)  ability to replicate 
C)  nucleus 
D)  responds to stimulus 
E)  All of the choices are not fundamental characteristics of living things. 
A)  cell boundary 
B)  ability to replicate 
C)  nucleus 
D)  responds to stimulus 
E)  All of the choices are not fundamental characteristics of living things.

Question 13

Which structure protects bacteria from being phagocytized?

Accepted Answer

A)  slime layer 
B)  fimbriae 
C)  cell membrane 
D)  capsule 
E)  All of these choices are correct. 
A)  slime layer 
B)  fimbriae 
C)  cell membrane 
D)  capsule 
E)  All of these choices are correct.

Question 14

All of the following are correct about a slime layer, except6_21_2016_QC_CS-54137

Accepted Answer

A)  it is a type of glycocalyx. 
B)  it can be easily washed off the cell. 
C)  it protects the cell from loss of water and nutrients. 
D)  it enables movement of cells. 
E)  it allows cells to participate in biofilms. 
A)  it is a type of glycocalyx. 
B)  it can be easily washed off the cell. 
C)  it protects the cell from loss of water and nutrients. 
D)  it enables movement of cells. 
E)  it allows cells to participate in biofilms.

Question 15

In the Gram stain, the mordant is

Accepted Answer

A)  crystal violet. 
B)  safranin. 
C)  alcohol. 
D)  water. 
E)  iodine. 
A)  crystal violet. 
B)  safranin. 
C)  alcohol. 
D)  water. 
E)  iodine.

Question 16

Archaea do not have the typical peptidoglycan structure found in bacterial cell walls.

Accepted Answer

A) True 
 B)False

Question 17

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 these 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 these choices are correct.

Question 18

Iodine is the decolorizer in the Gram stain.

Accepted Answer

A) True 
 B)False

Question 19

Compare and contrast the cyanobacteria to the green and purple sulfur bacteria with regard to: a) habitat, b) photosynthesis properties, c) cell properties, and d) impact and importance to the environment.

Accepted Answer

a) Habitat:
Cyanobacteria are found in a

Question 20

Movement of a cell toward a chemical stimulus is termed _____.

Accepted Answer

The answer of Movement of a cell toward a chemical...

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

The process of endospore formation is _____________, while the process of an endospore growing into a vegetative cell is ____________.

Spirochetes have a twisting and flexing locomotion due to appendages called

The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram-positive bacterial cell wall structure is

Classification and taxonomy provide information and contribute to each of the following endeavors, except

A prokaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

According to current thought regarding the domains of life, which two domains are believed to be the most closely related?

Magnetosomes are

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

Bacteria in the genus Mycopla and bacteria called L-forms lack cell walls.

The periplic space is

The term that refers to the presence of flagella all over the cell surface is

Which of the following characteristics is not a property of cells or living things?

Which structure protects bacteria from being phagocytized?

All of the following are correct about a slime layer, except6_21_2016_QC_CS-54137

In the Gram stain, the mordant is

Archaea do not have the typical peptidoglycan structure found in bacterial cell walls.

Endospores are

Iodine is the decolorizer in the Gram stain.

Compare and contrast the cyanobacteria to the green and purple sulfur bacteria with regard to: a) habitat, b) photosynthesis properties, c) cell properties, and d) impact and importance to the environment.

Movement of a cell toward a chemical stimulus is termed _____.

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

The process of endospore formation is _, while the process of an endospore growing into a vegetative cell is .