Question 1

Which of the following laboratory procedures is used for culturing animal viruses in the laboratory?

Accepted Answer

A)  cell cultures 
B)  broth cultures 
C)  embryonated eggs 
D)  both cell cultures and embryonated eggs 
E)  synthetic cytoplasm 
A)  cell cultures 
B)  broth cultures 
C)  embryonated eggs 
D)  both cell cultures and embryonated eggs 
E)  synthetic cytoplasm

Question 2

Which of the following lists stages of a lytic replication cycle in order, from earliest to latest stages?
I. Synthesis
II. Assembly
III. Attachment
IV. Release
V. Entry

Accepted Answer

A)  III, V, I, II, IV 
B)  III, II, V, I, IV 
C)  V, III, II, IV, I 
D)  I, III, V, II, IV 
E)  I, II, III, V, IV 
A)  III, V, I, II, IV 
B)  III, II, V, I, IV 
C)  V, III, II, IV, I 
D)  I, III, V, II, IV 
E)  I, II, III, V, IV

Question 3

Bovine spongiform encephalopathy is an example of a prion disease.

Accepted Answer

A) True 
 B)False

Question 4

All viruses use the host cell's nucleic acid polymerases for replication.

Accepted Answer

A) True 
 B)False

Question 5

The combination of a virus's protein coat and nucleic acid core is called the (capsid/virion/nucleocapsid).

Accepted Answer

The answer of The combination of a virus's protein coat...

Question 6

One mechanism by which viruses may cause cancer is to interrupt the genetic regulatory sequences of repressor proteins. Which of the following types of viruses is most likely to be involved in causing cancer by this mechanism?

Accepted Answer

A)  +ssRNA viruses 
B)  dsRNA viruses 
C)  -ssRNA viruses 
D)  retroviruses 
E)  both +ssRNA and -ssRNA viruses 
A)  +ssRNA viruses 
B)  dsRNA viruses 
C)  -ssRNA viruses 
D)  retroviruses 
E)  both +ssRNA and -ssRNA viruses

Question 7

Which of the following is primarily responsible for the shape of a virion?

Accepted Answer

A)  the type of nucleic acid 
B)  the number of segments of the viral genome 
C)  the source of the envelope 
D)  the capsid 
E)  the specific host protein the virus targets 
A)  the type of nucleic acid 
B)  the number of segments of the viral genome 
C)  the source of the envelope 
D)  the capsid 
E)  the specific host protein the virus targets

Question 8

Fertilized chicken eggs are used to culture some vaccine strains.

Accepted Answer

A) True 
 B)False

Question 9

In contrast to most dsDNA animal viruses, the poxviruses replicate solely in the cytoplasm of the host cell. What does this suggest about the virus?

Accepted Answer

All cellular DNA replication occurs in t

Question 10

The genome of which of the following types of animal virus can act directly as mRNA?

Accepted Answer

A)  retroviruses 
B)  +ssRNA viruses 
C)  -ssRNA viruses 
D)  ssDNA viruses 
E)  dsRNA viruses 
A)  retroviruses 
B)  +ssRNA viruses 
C)  -ssRNA viruses 
D)  ssDNA viruses 
E)  dsRNA viruses

Question 11

Which of the following statements regarding virus taxonomy is true?

Accepted Answer

A)  Viruses are classified on the basis of the taxonomy of their host organisms. 
B)  Virus classes are well established. 
C)  Some virus family names are derived from the name of an important member of the family. 
D)  The species epithet is a latin descriptor of the virion structure. 
E)  Virus classes are based on the domain of the host organism. 
A)  Viruses are classified on the basis of the taxonomy of their host organisms. 
B)  Virus classes are well established. 
C)  Some virus family names are derived from the name of an important member of the family. 
D)  The species epithet is a latin descriptor of the virion structure. 
E)  Virus classes are based on the domain of the host organism.

Question 12

The genome of all DNA animal viruses is replicated in the nucleus of the cell.

Accepted Answer

A) True 
 B)False

Question 13

How are fungal viruses transmitted?

Accepted Answer

A)  by insect vectors 
B)  as a result of abrasion 
C)  as a result of fusion of cells or hyphae 
D)  in the air like spores 
E)  by contact 
A)  by insect vectors 
B)  as a result of abrasion 
C)  as a result of fusion of cells or hyphae 
D)  in the air like spores 
E)  by contact

Question 14

Protozoa are susceptible to viral attack.

Accepted Answer

A) True 
 B)False

Question 15

A(n) ________ is a bacterial virus which is integrated into the host cell DNA.

Accepted Answer

A)  lytic phage 
B)  prophage 
C)  plasmid 
D)  transposon 
E)  insertion phage 
A)  lytic phage 
B)  prophage 
C)  plasmid 
D)  transposon 
E)  insertion phage

Exam 13: Characterizing and Classifying Viruses, Viroids, and Prions

Which of the following laboratory procedures is used for culturing animal viruses in the laboratory?

Which of the following lists stages of a lytic replication cycle in order, from earliest to latest stages? I. Synthesis II. Assembly III. Attachment IV. Release V. Entry

Bovine spongiform encephalopathy is an example of a prion disease.

All viruses use the host cell's nucleic acid polymerases for replication.

The combination of a virus's protein coat and nucleic acid core is called the (capsid/virion/nucleocapsid).

One mechanism by which viruses may cause cancer is to interrupt the genetic regulatory sequences of repressor proteins. Which of the following types of viruses is most likely to be involved in causing cancer by this mechanism?

Which of the following is primarily responsible for the shape of a virion?

Fertilized chicken eggs are used to culture some vaccine strains.

In contrast to most dsDNA animal viruses, the poxviruses replicate solely in the cytoplasm of the host cell. What does this suggest about the virus?

The genome of which of the following types of animal virus can act directly as mRNA?

Which of the following statements regarding virus taxonomy is true?

The genome of all DNA animal viruses is replicated in the nucleus of the cell.

How are fungal viruses transmitted?

Protozoa are susceptible to viral attack.

A(n) ________ is a bacterial virus which is integrated into the host cell DNA.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Industrial Microbiology

Microbial Ecology and Microbiomes

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