Question 1

The function of bacterial endospores is

Accepted Answer

A)  to convert gaseous nitrogen to a usable form for plants. 
B)  for reproduction and growth. 
C)  for protection of genetic material during harsh conditions. 
D)  the storage of excess cell materials. 
E)  to have sites for photosynthesis. 
A)  to convert gaseous nitrogen to a usable form for plants. 
B)  for reproduction and growth. 
C)  for protection of genetic material during harsh conditions. 
D)  the storage of excess cell materials. 
E)  to have sites for photosynthesis.

Question 2

If during the Gram stain procedure, the bacterial cells were viewed immediately after crystal violet was applied, gram-positive cells would be purple but gram-negative cells would be colorless.

Accepted Answer

A) True 
 B)False

Question 3

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 4

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 
A)  Gracillucates 
B)  Firmicutes 
C)  Actinobacteria 
D)  Archaea 
E)  Spirochaetes

Question 5

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 6

All of the following structures contribute to the ability of pathogenic bacteria to cause disease, except

Accepted Answer

A)  inclusions. 
B)  fimbriae. 
C)  capsule. 
D)  slime layer. 
E)  outer membrane of gram-negative cell walls. 
A)  inclusions. 
B)  fimbriae. 
C)  capsule. 
D)  slime layer. 
E)  outer membrane of gram-negative cell walls.

Question 7

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 8

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

Question 9

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

Accepted Answer

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

Question 10

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 11

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 12

_____ Manual of Systematic Bacteriology is a manual of bacterial descriptions and classifications.

Accepted Answer

The answer of _____ Manual of Systematic Bacteriology is a...

Question 13

In bacteria such as members of the Bacillus and Clostridium genera, nutrient depletion is likely to result in

Accepted Answer

A)  germination. 
B)  sporulation. 
C)  binary fission. 
D)  plolysis. 
E)  starvation. 
A)  germination. 
B)  sporulation. 
C)  binary fission. 
D)  plolysis. 
E)  starvation.

Question 14

Peptidoglycan is a unique macromolecule found in bacterial

Accepted Answer

A)  cell walls. 
B)  cell membranes. 
C)  capsules. 
D)  slime layers. 
E)  inclusions. 
A)  cell walls. 
B)  cell membranes. 
C)  capsules. 
D)  slime layers. 
E)  inclusions.

Question 15

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 16

Which of the following makes possible the differentiation of members of the genus Mycobacterium and the genus Nocardia from other bacteria?

Accepted Answer

A)  the Gram stain 
B)  the presence of flagella 
C)  the acid-fast stain 
D)  an endospore stain 
E)  the capsule stain 
A)  the Gram stain 
B)  the presence of flagella 
C)  the acid-fast stain 
D)  an endospore stain 
E)  the capsule stain

Question 17

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 18

Bacteria with small bunches of flagella emerging from the same site are said to be

Accepted Answer

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

Question 19

Hot carbol fuchsin is the primary dye in the acid-fast stain.

Accepted Answer

A) True 
 B)False

Question 20

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.

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

The function of bacterial endospores is

If during the Gram stain procedure, the bacterial cells were viewed immediately after crystal violet was applied, gram-positive cells would be purple but gram-negative cells would be colorless.

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.

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?

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

All of the following structures contribute to the ability of pathogenic bacteria to cause disease, except

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

Which of the following is mismatched?

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

Sarcinae refers to

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

_____ Manual of Systematic Bacteriology is a manual of bacterial descriptions and classifications.

In bacteria such as members of the Bacillus and Clostridium genera, nutrient depletion is likely to result in

Peptidoglycan is a unique macromolecule found in bacterial

All of the following pertain to endotoxins, except they

Which of the following makes possible the differentiation of members of the genus Mycobacterium and the genus Nocardia from other bacteria?

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

Bacteria with small bunches of flagella emerging from the same site are said to be

Hot carbol fuchsin is the primary dye in the acid-fast stain.

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

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?