Question 1

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 2

Which statement is not a characteristic of biofilms?

Accepted Answer

A) They can be involved with human disease. 
B) They involve bacteria only. 
C) They evolve and adapt to their surroundings. 
D) They are very difficult to eliminate with antimicrobials. 
E) They can accumulate on living and nonliving surfaces. 
A) They can be involved with human disease. 
B) They involve bacteria only. 
C) They evolve and adapt to their surroundings. 
D) They are very difficult to eliminate with antimicrobials. 
E) They can accumulate on living and nonliving surfaces.

Question 3

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 4

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 5

Spirochetes have a twisting and flexing locomotion due to appendages 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 6

The presence of thylakoids, phycocyanin, gas inclusions, and cysts would be associated with

Accepted Answer

A) green sulfur bacteria. 
B) cyanobacteria. 
C) purple sulfur bacteria. 
D) archaea. 
E) spirochetes. 
A) green sulfur bacteria. 
B) cyanobacteria. 
C) purple sulfur bacteria. 
D) archaea. 
E) spirochetes.

Question 7

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

Accepted Answer

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

Question 8

Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid.What is the identity of this structure?

Accepted Answer

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

Question 9

If you observe rod-shaped, pink cells on a slide that had just been Gram stained, you can assume that their cell walls contain endotoxin.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Discuss biofilms with regard to their formation, unique properties, and significance to the environment and the human body.Explain how a biofilm differs from a typical bacterial colony growing on a nutrient agar medium.

Accepted Answer

Biofilms are complex communities of micr

Question 12

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

Accepted Answer

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

Question 13

The most immediate result of destruction of a cell's ribosomes would be

Accepted Answer

A) material would not be able to cross the cell membrane. 
B) protein synthesis would stop. 
C) destruction of the cell's DNA. 
D) formation of glycogen inclusions. 
E) loss of capsule. 
A) material would not be able to cross the cell membrane. 
B) protein synthesis would stop. 
C) destruction of the cell's DNA. 
D) formation of glycogen inclusions. 
E) loss of capsule.

Question 14

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 15

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 16

Which of the following characteristics of living things is/are not found among viruses?

Accepted Answer

A) heredity 
B) cellular structure 
C) ability to evolve 
D) presence of nucleic acid 
E) All of these characteristics are lacking in viruses. 
A) heredity 
B) cellular structure 
C) ability to evolve 
D) presence of nucleic acid 
E) All of these characteristics are lacking in viruses.

Question 17

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 18

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

Accepted Answer

A) True 
 B)False

Question 19

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 20

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...

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

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

Which statement is not a characteristic of biofilms?

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

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

Spirochetes have a twisting and flexing locomotion due to appendages called

The presence of thylakoids, phycocyanin, gas inclusions, and cysts would be associated with

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

Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid.What is the identity of this structure?

If you observe rod-shaped, pink cells on a slide that had just been Gram stained, you can assume that their cell walls contain endotoxin.

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

Discuss biofilms with regard to their formation, unique properties, and significance to the environment and the human body.Explain how a biofilm differs from a typical bacterial colony growing on a nutrient agar medium.

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

The most immediate result of destruction of a cell's ribosomes would be

Which is mismatched?

Sarcinae refers to

Which of the following characteristics of living things is/are not found among viruses?

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

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

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

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

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

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