Question 1

The transfer of genes during bacterial conjugation involves rigid, tubular 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. E

Question 2

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

Question 3

The periplasmic 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) where peptidoglycan is located. 
E) absent in gram-negative bacteria.04.15 Describe the structure of the cell membrane and explain several of its major roles in bacterial cells. 
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) where peptidoglycan is located. 
E) absent in gram-negative bacteria.04.15 Describe the structure of the cell membrane and explain several of its major roles in bacterial cells. C

Question 4

A procaryotic 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.04.15 Describe the structure of the cell membrane and explain several of its major roles in bacterial cells. 
A) gram-negative. 
B) gram-positive. 
C) archaea. 
D) spheroplast. 
E) acid fast.04.15 Describe the structure of the cell membrane and explain several of its major roles in bacterial cells.

Question 5

The _____ stain is used to stain and differentiate Mycobacterium and Nocardia from other bacteria.

Accepted Answer

The answer of The _____ stain is used to stain...

Question 6

The region between the bacterial cell membrane and the cell wall is called the outer membrane.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

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

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

An important indicator of evolutionary relatedness is to determine

Accepted Answer

A) size of the periplasmic space. 
B) similarities of cell membrane proteins. 
C) size of the bacterial chromosome. 
D) nitrogen base sequence of rRNA. 
E) size of the ribosomes. 
A) size of the periplasmic space. 
B) similarities of cell membrane proteins. 
C) size of the bacterial chromosome. 
D) nitrogen base sequence of rRNA. 
E) size of the ribosomes.

Question 10

The chemical components of ribosomes are proteins and _____.04.18 Characterize the bacterial ribosomes and cytoskeleton.

Accepted Answer

The answer of The chemical components of ribosomes are proteins...

Question 11

What is the correct sequence for a Gram stain?

Accepted Answer

A) Gram's iodine, crystal violet, alcohol, safranin 
B) crystal violet, safranin, alcohol, Gram's iodine 
C) crystal violet, Gram's iodine, alcohol, safranin 
D) safranin, crystal violet, Gram's iodine, alcohol 
E) alcohol, crystal violet, safranin, Gram's iodine
04)13 Summarize how gram-positive and gram-negative cells differ in their reactions. 
A) Gram's iodine, crystal violet, alcohol, safranin 
B) crystal violet, safranin, alcohol, Gram's iodine 
C) crystal violet, Gram's iodine, alcohol, safranin 
D) safranin, crystal violet, Gram's iodine, alcohol 
E) alcohol, crystal violet, safranin, Gram's iodine
04)13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Question 12

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 13

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 14

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 15

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 16

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 correct
04)02 Identify the primary properties that define life and living things. 
A) Cell boundary 
B) Ability to replicate 
C) Nucleus 
D) Responds to stimulus 
E) All of the choices are correct
04)02 Identify the primary properties that define life and living things.

Question 17

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
04)21 Discuss the resistance and significance of endospores. 
A) cell wall 
B) capsule 
C) slime layer 
D) nucleoid 
E) endospore
04)21 Discuss the resistance and significance of endospores.

Question 18

During the Gram stain, gram _____ cells decolorize when the alcohol is applied.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Accepted Answer

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

Question 19

The term diplococci refers to an irregular cluster of spherical bacterial cells.04.23 Identify several arrangements of bacteria and tell how they are formed.

Accepted Answer

A) True 
 B)False

Question 20

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.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Accepted Answer

A) True 
 B)False

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

The transfer of genes during bacterial conjugation involves rigid, tubular appendages called

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

The periplasmic space is

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

The _____ stain is used to stain and differentiate Mycobacterium and Nocardia from other bacteria.

The region between the bacterial cell membrane and the cell wall is called the outer membrane.

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

Which phylum is mismatched?

An important indicator of evolutionary relatedness is to determine

The chemical components of ribosomes are proteins and _____.04.18 Characterize the bacterial ribosomes and cytoskeleton.

What is the correct sequence for a Gram stain?

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

Which structure protects bacteria from being phagocytized?

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

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

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

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

During the Gram stain, gram _____ cells decolorize when the alcohol is applied.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

The term diplococci refers to an irregular cluster of spherical bacterial cells.04.23 Identify several arrangements of bacteria and tell how they are formed.

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.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

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