Question 1

All bacterial cells have

Accepted Answer

A) a chromosome. 
B) fimbriae. 
C) endospores. 
D) capsules. 
E) flagella. 
A) a chromosome. 
B) fimbriae. 
C) endospores. 
D) capsules. 
E) flagella.

Question 2

The cell _____ is composed of three layers: the glycocalyx, the cell wall, and the cell membrane.

Accepted Answer

The answer of The cell _____ is composed of three...

Question 3

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. 
A) ribosomes. 
B) inclusions. 
C) cell wall. 
D) cell membrane. 
E) flagella.

Question 4

The short, numerous appendages used by some bacterial cells for adhering to surfaces are called

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 5

During the Gram stain, gram _____ cells decolorize when the alcohol is applied.

Accepted Answer

The answer of During the Gram stain, gram _____ cells...

Question 6

A bacterial genus that has waxy mycolic acid in the cell walls is

Accepted Answer

A) Mycobacterium. 
B) Mycoplasma. 
C) Streptococcus. 
D) Corynebacterium. 
E) Salmonella. 
A) Mycobacterium. 
B) Mycoplasma. 
C) Streptococcus. 
D) Corynebacterium. 
E) Salmonella.

Question 7

Which of the following, pertaining to prokaryotic cell membranes, is mismatched?

Accepted Answer

A) internal folds - mesosomes 
B) sterols present - mycoplasmas 
C) form a bilayer - phospholipids 
D) unique hydrocarbon present - cyanobacteria 
E) function - regulates transport of nutrients and wastes 
A) internal folds - mesosomes 
B) sterols present - mycoplasmas 
C) form a bilayer - phospholipids 
D) unique hydrocarbon present - cyanobacteria 
E) function - regulates transport of nutrients and wastes

Question 8

Which phylum is mismatched?

Accepted Answer

A) Gracilicutes - gram-negative cell walls 
B) Firmicutes - gram-positive cell walls 
C) Actinobacteria - waxy acid fast cell walls 
D) Proteobacteria - archaea cell walls 
E) None of the choices are correct 
A) Gracilicutes - gram-negative cell walls 
B) Firmicutes - gram-positive cell walls 
C) Actinobacteria - waxy acid fast cell walls 
D) Proteobacteria - archaea cell walls 
E) None of the choices are correct

Question 9

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 10

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 11

If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is

Accepted Answer

A) endospore. 
B) cell wall. 
C) cell membrane. 
D) capsule. 
E) slime layer. 
A) endospore. 
B) cell wall. 
C) cell membrane. 
D) capsule. 
E) slime layer.

Question 12

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

Question 13

Lysozyme, an enzyme found in tears, provides a natural defense against bacteria by

Accepted Answer

A) hydrolyzing peptidoglycan in cell walls. 
B) inhibiting protein synthesis. 
C) removing flagella. 
D) dissolving the cell membrane. 
E) removing the capsule from outside the cell. 
A) hydrolyzing peptidoglycan in cell walls. 
B) inhibiting protein synthesis. 
C) removing flagella. 
D) dissolving the cell membrane. 
E) removing the capsule from outside the cell.

Question 14

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

Question 15

Iodine is the decolorizer in the Gram stain.

Accepted Answer

A) True 
 B)False

Question 16

Gram-negative bacteria do not have peptidoglycan in their cell walls.

Accepted Answer

A) True 
 B)False

Question 17

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 18

The prokaryotic cell membrane is a site for many enzymes and metabolic reactions.

Accepted Answer

A) True 
 B)False

Question 19

Which structure protects bacteria from being phagocytized?

Accepted Answer

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

Question 20

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.

Accepted Answer

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

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

All bacterial cells have

The cell _____ is composed of three layers: the glycocalyx, the cell wall, and the cell membrane.

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

The short, numerous appendages used by some bacterial cells for adhering to surfaces are called

During the Gram stain, gram _____ cells decolorize when the alcohol is applied.

A bacterial genus that has waxy mycolic acid in the cell walls is

Which of the following, pertaining to prokaryotic cell membranes, is mismatched?

Which phylum is mismatched?

Which is mismatched?

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.

If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is

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

Lysozyme, an enzyme found in tears, provides a natural defense against bacteria by

Which of the following is mismatched?

Iodine is the decolorizer in the Gram stain.

Gram-negative bacteria do not have peptidoglycan in their cell walls.

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

The prokaryotic cell membrane is a site for many enzymes and metabolic reactions.

Which structure protects bacteria from being phagocytized?

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.

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

An Introduction to 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, Disease, and Epidemiology

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

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