Question 1

Virus infection results in cancer in the process of

Accepted Answer

A)  lytic replication. 
B)  budding. 
C)  oncogenesis. 
D)  persistent infection. 
E)  latency. 
A)  lytic replication. 
B)  budding. 
C)  oncogenesis. 
D)  persistent infection. 
E)  latency.

Question 2

Another term for a lysogenic phage is a __________ phage.

Accepted Answer

The answer of Another term for a lysogenic phage is...

Question 3

Virus vaccines are always cultured in embryonated chicken eggs.

Accepted Answer

A) True 
 B)False

Question 4

How are prions different from all other known infectious agents?

Accepted Answer

A)  they cannot reproduce outside a cell. 
B)  they act as slow viruses. 
C)  they cause neurological problems. 
D)  they can be destroyed by incineration. 
E)  they lack nucleic acid. 
A)  they cannot reproduce outside a cell. 
B)  they act as slow viruses. 
C)  they cause neurological problems. 
D)  they can be destroyed by incineration. 
E)  they lack nucleic acid.

Question 5

Which of the following statements concerning viruses is FALSE?

Accepted Answer

A)  Viruses never contain both DNA and RNA. 
B)  Viruses enter a cell to complete the replication they have begun extracellularly. 
C)  Some viruses have an outer membrane called an envelope. 
D)  Viral capsids can assume one of three basic shapes. 
E)  Tobacco mosaic virus was the first virus to be discovered and characterized. 
A)  Viruses never contain both DNA and RNA. 
B)  Viruses enter a cell to complete the replication they have begun extracellularly. 
C)  Some viruses have an outer membrane called an envelope. 
D)  Viral capsids can assume one of three basic shapes. 
E)  Tobacco mosaic virus was the first virus to be discovered and characterized.

Question 6

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 7

Plaque assays are used for

Accepted Answer

A)  evaluating the cancer-causing ability of a virus. 
B)  estimating the number of phages in a culture. 
C)  the study of prions. 
D)  cultivating viruses that cannot be grown any other way. 
E)  counting the number of latent phages in a cell. 
A)  evaluating the cancer-causing ability of a virus. 
B)  estimating the number of phages in a culture. 
C)  the study of prions. 
D)  cultivating viruses that cannot be grown any other way. 
E)  counting the number of latent phages in a cell.

Question 8

Poxvirus is assembled in the cytoplasm of the cell instead of in the nucleus, as is the case for the majority of dsDNA viruses.

Accepted Answer

A) True 
 B)False

Question 9

Diploid cell cultures and continuous cell cultures differ in which of the following ways?

Accepted Answer

A)  longevity 
B)  source of cells 
C)  convenience of use 
D)  longevity and convenience of use 
E)  longevity and source of cells 
A)  longevity 
B)  source of cells 
C)  convenience of use 
D)  longevity and convenience of use 
E)  longevity and source of cells

Question 10

is a mechanism of release for enveloped viruses.

Accepted Answer

A)  Lytic replication 
B)  Persistent infection 
C)  Oncogenesis 
D)  Latency 
E)  Budding 
A)  Lytic replication 
B)  Persistent infection 
C)  Oncogenesis 
D)  Latency 
E)  Budding

Question 11

Double-stranded RNA genomes can be found

Accepted Answer

A)  only in cells. 
B)  in both cells and viruses. 
C)  only in viruses. 
D)  in prions. 
E)  in both prions and viruses. 
A)  only in cells. 
B)  in both cells and viruses. 
C)  only in viruses. 
D)  in prions. 
E)  in both prions and viruses.

Question 12

Prions are composed of a single protein called __________. (Be sure you use proper capitalization.)

Accepted Answer

The answer of Prions are composed of a single protein...

Question 13

A lipid membrane is present

Accepted Answer

A)  only in viruses. 
B)  in both cells and viruses. 
C)  only in cells. 
D)  only in prions. 
E)  in both prions and viroids. 
A)  only in viruses. 
B)  in both cells and viruses. 
C)  only in cells. 
D)  only in prions. 
E)  in both prions and viroids.

Question 14

Reverse transcriptase is associated with which of the following?

Accepted Answer

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

Question 15

Which of the following individuals discovered prions?

Accepted Answer

A)  Lacks 
B)  Iwanowsky 
C)  Prusiner 
D)  Stanley 
E)  Rous 
A)  Lacks 
B)  Iwanowsky 
C)  Prusiner 
D)  Stanley 
E)  Rous

Virus infection results in cancer in the process of

Another term for a lysogenic phage is a __________ phage.

Virus vaccines are always cultured in embryonated chicken eggs.

How are prions different from all other known infectious agents?

Which of the following statements concerning viruses is FALSE?

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

Plaque assays are used for

Poxvirus is assembled in the cytoplasm of the cell instead of in the nucleus, as is the case for the majority of dsDNA viruses.

Diploid cell cultures and continuous cell cultures differ in which of the following ways?

is a mechanism of release for enveloped viruses.

Double-stranded RNA genomes can be found

Prions are composed of a single protein called __________. (Be sure you use proper capitalization.)

A lipid membrane is present

Reverse transcriptase is associated with which of the following?

Which of the following individuals discovered prions?

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

Aids and Other 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 Environmental Microbiology

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

Virus infection results in cancer in the process of

Another term for a lysogenic phage is a __________ phage.

Virus vaccines are always cultured in embryonated chicken eggs.

How are prions different from all other known infectious agents?

Which of the following statements concerning viruses is FALSE?

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

Plaque assays are used for

Poxvirus is assembled in the cytoplasm of the cell instead of in the nucleus, as is the case for the majority of dsDNA viruses.

Diploid cell cultures and continuous cell cultures differ in which of the following ways?

is a mechanism of release for enveloped viruses.

Double-stranded RNA genomes can be found

Prions are composed of a single protein called __________. (Be sure you use proper capitalization.)

A lipid membrane is present

Reverse transcriptase is associated with which of the following?

Which of the following individuals discovered prions?

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

Aids and Other 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 Environmental Microbiology

Filters