Question 1

In transduction, the viral genome

Accepted Answer

A) initiates lysis of the host. 
B) includes DNA from the previous host. 
C) is replicated in the cytoplasm. 
D) is replicated in the nucleus. 
A) initiates lysis of the host. 
B) includes DNA from the previous host. 
C) is replicated in the cytoplasm. 
D) is replicated in the nucleus.

Question 2

The envelope of enveloped viruses

Accepted Answer

A) is identical to the host plasma membrane. 
B) is only composed of host endomembrane. 
C) does not contain spikes. 
D) is obtained by viral budding or exocytosis. 
E) makes the virus very susceptible to drug therapy. 
A) is identical to the host plasma membrane. 
B) is only composed of host endomembrane. 
C) does not contain spikes. 
D) is obtained by viral budding or exocytosis. 
E) makes the virus very susceptible to drug therapy.

Question 3

The correct sequence of events in viral multiplication is

Accepted Answer

A) penetration, uncoating, synthesis, adsorption, assembly, and release. 
B) uncoating, penetration, synthesis, assembly, absorption, and release. 
C) adsorption, penetration, uncoating, synthesis, assembly, and release. 
D) assembly, synthesis, uncoating, release, penetration, and adsorption. 
E) adsorption, release, synthesis, uncoating, assembly, and penetration. 
A) penetration, uncoating, synthesis, adsorption, assembly, and release. 
B) uncoating, penetration, synthesis, assembly, absorption, and release. 
C) adsorption, penetration, uncoating, synthesis, assembly, and release. 
D) assembly, synthesis, uncoating, release, penetration, and adsorption. 
E) adsorption, release, synthesis, uncoating, assembly, and penetration.

Question 4

New, nonenveloped virus release occurs by ______.

Accepted Answer

A) lysis 
B) budding 
C) exocytosis 
D) both lysis and budding 
E) both budding and exocytosis 
A) lysis 
B) budding 
C) exocytosis 
D) both lysis and budding 
E) both budding and exocytosis

Question 5

Viral nucleic acid types include which of the following?

Accepted Answer

A) Double-stranded DNA 
B) Single-stranded DNA 
C) Double-stranded RNA 
D) Single-stranded RNA 
E) All of the choices are correct. 
A) Double-stranded DNA 
B) Single-stranded DNA 
C) Double-stranded RNA 
D) Single-stranded RNA 
E) All of the choices are correct.

Question 6

When a bacterium acquires a trait from its temperate phage, it is called ______.

Accepted Answer

A) transformation 
B) lysogenic conversion 
C) viral persistence 
D) transcription 
E) translation 
A) transformation 
B) lysogenic conversion 
C) viral persistence 
D) transcription 
E) translation

Question 7

Host cells of viruses include ______.

Accepted Answer

A) humans and other animals 
B) plants and fungi 
C) bacteria 
D) protozoa and algae 
E) All of the choices are correct. 
A) humans and other animals 
B) plants and fungi 
C) bacteria 
D) protozoa and algae 
E) All of the choices are correct.

Question 8

Spikes are glycoproteins that can be found projecting from the viral capsid.

Accepted Answer

A) True 
 B)False

Question 9

Using species names for viruses is controversial since viruses are not considered living organisms, and they change over time so characteristics that may be used for speciation are unstable.

Accepted Answer

A) True 
 B)False

Question 10

In general, most DNA viruses multiply in the host cell's _____, while most RNA viruses multiply in the host cell's _____.

Accepted Answer

A) nucleus; cytoplasm 
B) cytoplasm; cell membrane 
C) cell membrane; cytoplasm 
D) cytoplasm; nucleus 
E) nucleus; endoplasmic reticulum 
A) nucleus; cytoplasm 
B) cytoplasm; cell membrane 
C) cell membrane; cytoplasm 
D) cytoplasm; nucleus 
E) nucleus; endoplasmic reticulum

Question 11

A common method for cultivating viruses in the lab is to use in vitro systems called _____ cultures.

Accepted Answer

A) embryo 
B) cell 
C) plaque 
D) bacteriophage 
E) egg 
A) embryo 
B) cell 
C) plaque 
D) bacteriophage 
E) egg

Question 12

Viruses are considered ultramicroscopic because they range in size from 2 mm to 450 mm.

Accepted Answer

A) True 
 B)False

Question 13

Viruses are not filterable.

Accepted Answer

A) True 
 B)False

Question 14

The primary purpose(s) of viral cultivation is/are to

Accepted Answer

A) isolate and identify viruses in clinical specimens. 
B) prepare viruses for vaccines. 
C) do detailed research on viral structure, lifestyle, genetics, and effects on host cells. 
D) perform wide-scale harvesting of viruses. 
E) All of the choices are correct. 
A) isolate and identify viruses in clinical specimens. 
B) prepare viruses for vaccines. 
C) do detailed research on viral structure, lifestyle, genetics, and effects on host cells. 
D) perform wide-scale harvesting of viruses. 
E) All of the choices are correct.

Question 15

Uncoating of viral nucleic acid

Accepted Answer

A) does not occur in bacteriophage multiplication. 
B) involves enzymatic destruction of the capsid. 
C) occurs during penetration in the multiplication cycle. 
D) occurs before replication. 
E) All of the choices are correct. 
A) does not occur in bacteriophage multiplication. 
B) involves enzymatic destruction of the capsid. 
C) occurs during penetration in the multiplication cycle. 
D) occurs before replication. 
E) All of the choices are correct.

Question 16

Which of the following will not support viral cultivation?

Accepted Answer

A) Live lab animals 
B) Embryonated bird eggs 
C) Primary cell cultures 
D) Continuous cell cultures 
E) All of the choices will support viral cultivation. 
A) Live lab animals 
B) Embryonated bird eggs 
C) Primary cell cultures 
D) Continuous cell cultures 
E) All of the choices will support viral cultivation.

Exam 6: An Introduction to the Viruses

In transduction, the viral genome

The envelope of enveloped viruses

The correct sequence of events in viral multiplication is

New, nonenveloped virus release occurs by ______.

Viral nucleic acid types include which of the following?

When a bacterium acquires a trait from its temperate phage, it is called ______.

Host cells of viruses include ______.

Spikes are glycoproteins that can be found projecting from the viral capsid.

Using species names for viruses is controversial since viruses are not considered living organisms, and they change over time so characteristics that may be used for speciation are unstable.

In general, most DNA viruses multiply in the host cell's _____, while most RNA viruses multiply in the host cell's _____.

A common method for cultivating viruses in the lab is to use in vitro systems called _____ cultures.

Viruses are considered ultramicroscopic because they range in size from 2 mm to 450 mm.

Viruses are not filterable.

The primary purpose(s) of viral cultivation is/are to

Uncoating of viral nucleic acid

Which of the following will not support viral cultivation?

The Main Themes of Microbiology

The Chemistry of Biology

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

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

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

Antimicrobial Treatment

Microbe-Human Interactions: Health 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

Filters

In general, most DNA viruses multiply in the host cell's _, while most RNA viruses multiply in the host cell's _.