Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Halobacterium salinarium lives in and requires salt to grow.This is an example of an archaebacterium described as a/n

Accepted Answer

A) osmophile. 
B) halophile. 
C) thermophile. 
D) psychrophile. 
E) barophile. 
A) osmophile. 
B) halophile. 
C) thermophile. 
D) psychrophile. 
E) barophile.

Question 3

At present,the most accurate indicator of evolutionary relatedness among organisms is to determine the

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 4

The cell envelope or its parts can interact with human tissue and cause disease.

Accepted Answer

A) True 
 B)False

Question 5

The term that refers to flagella at both poles is

Accepted Answer

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

Question 6

The function of bacterial endospores is

Accepted Answer

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

Question 7

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 the 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 the choices are correct.

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

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

Accepted Answer

A) True 
 B)False

Question 10

A chain of rod-shaped cells would be called a

Accepted Answer

A) streptobacillus. 
B) Staphylobacillus. 
C) streptococcus. 
D) staphylococcus. 
E) palisade. 
A) streptobacillus. 
B) Staphylobacillus. 
C) streptococcus. 
D) staphylococcus. 
E) palisade.

Question 11

Bacterial cells could have any of the following appendages except

Accepted Answer

A) flagella. 
B) cilia. 
C) fimbriae. 
D) periplasmic flagella (axial filaments). 
E) pili. 
A) flagella. 
B) cilia. 
C) fimbriae. 
D) periplasmic flagella (axial filaments). 
E) pili.

Question 12

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

Accepted Answer

A) Pasteur's 
B) Lister's 
C) Bergey's 
D) Leeuwenhoek's 
E) Koch's 
A) Pasteur's 
B) Lister's 
C) Bergey's 
D) Leeuwenhoek's 
E) Koch's

Question 13

The term diplococcus refers to an irregular cluster of spherical bacterial cells.

Accepted Answer

A) True 
 B)False

Question 14

Gram-negative organisms

Accepted Answer

A) are more susceptible to antibiotics than gram-positive organisms. 
B) have a more complex wall with a greater variation in chemical composition. 
C) stain purple in the Gram stain. 
D) encompass all pathogens. 
A) are more susceptible to antibiotics than gram-positive organisms. 
B) have a more complex wall with a greater variation in chemical composition. 
C) stain purple in the Gram stain. 
D) encompass all pathogens.

Question 15

Lipopolysaccharide is an important cell wall component of

Accepted Answer

A) gram-negative bacteria. 
B) gram-positive bacteria. 
C) acid-fast bacteria. 
D) mycoplasmas. 
E) protoplasts. 
A) gram-negative bacteria. 
B) gram-positive bacteria. 
C) acid-fast bacteria. 
D) mycoplasmas. 
E) protoplasts.

Question 16

A few antibiotics target cell membranes of cells,blocking the incorporation of chemicals into sterol molecules for the cell membrane.Which statement is true?

Accepted Answer

A) Bacteria would be unaffected by those specific antibiotics (with very few exceptions). 
B) An antibiotic with that kind of action would be an excellent destroyer of bacterial cells. 
C) This kind of antibiotic class would destroy viruses only. 
D) Only eukaryotic cells are affected by this group of antibiotics. 
A) Bacteria would be unaffected by those specific antibiotics (with very few exceptions). 
B) An antibiotic with that kind of action would be an excellent destroyer of bacterial cells. 
C) This kind of antibiotic class would destroy viruses only. 
D) Only eukaryotic cells are affected by this group of antibiotics.

Question 17

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

Accepted Answer

A) acid-fast 
B) methylene blue 
C) endospore 
D) negative 
E) basic 
A) acid-fast 
B) methylene blue 
C) endospore 
D) negative 
E) basic

Question 18

Some bacteria have a cytoskeleton of sterols to help maintain their shape.

Accepted Answer

A) True 
 B)False

Question 19

After staining your patient's specimen,an aspirate from the lungs,by the acid-fast stain method and focusing on the specimen,you find a large population of hot pink-red bacillus shaped bacteria in the smear.Which statement is true?

Accepted Answer

A) This result would be a normal outcome when looking at normal sputum of healthy people. 
B) The patient has pneumonia. 
C) In all likelihood,the patient has tuberculosis. 
D) Your patient has HIV. 
A) This result would be a normal outcome when looking at normal sputum of healthy people. 
B) The patient has pneumonia. 
C) In all likelihood,the patient has tuberculosis. 
D) Your patient has HIV.

Question 20

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.

Exam 4: Prokaryotic Profiles: The Bacteria and Archaea

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

Halobacterium salinarium lives in and requires salt to grow.This is an example of an archaebacterium described as a/n

At present,the most accurate indicator of evolutionary relatedness among organisms is to determine the

The cell envelope or its parts can interact with human tissue and cause disease.

The term that refers to flagella at both poles is

The function of bacterial endospores is

Endospores are

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

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

A chain of rod-shaped cells would be called a

Bacterial cells could have any of the following appendages except

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

The term diplococcus refers to an irregular cluster of spherical bacterial cells.

Gram-negative organisms

Lipopolysaccharide is an important cell wall component of

A few antibiotics target cell membranes of cells,blocking the incorporation of chemicals into sterol molecules for the cell membrane.Which statement is true?

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

Some bacteria have a cytoskeleton of sterols to help maintain their shape.

After staining your patient's specimen,an aspirate from the lungs,by the acid-fast stain method and focusing on the specimen,you find a large population of hot pink-red bacillus shaped bacteria in the smear.Which statement is true?

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

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Drugs, Microbes, host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

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