Student name:__________
1)
_________blank are glycoprotein spikes that protrude from the outer surface of the viral
envelope.
Question Details
Bloom's : 1. Remember
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
2)
Icosahedral viruses are constructed from ring- or knob-shaped units
called_________blank.
Question Details
Bloom's : 1. Remember
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
3)
Viruses that are polyhedrons with 20 sides are said to have_________blank symmetry.
Question Details
Bloom's : 1. Remember
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02d Describe the types of capsid symmetry
Accessibility : Keyboard Navigation
Gradable : automatic
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4)
Some viruses cause abnormal growth of cells rather than destruction. This is
called_________blank.
Question Details
Bloom's : 2. Understand
Section : 06.04
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.04c Differentiate among the types of viral infections of eukaryotic cells
Accessibility : Keyboard Navigation
Gradable : automatic
5)
Microscopic or macroscopic degenerative changes or abnormalities in infected host cells
and tissues are called_________blank_________blank.
Question Details
Bloom's : 2. Understand
Section : 06.04
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.04c Differentiate among the types of viral infections of eukaryotic cells
Accessibility : Keyboard Navigation
Gradable : automatic
6)
Localized areas of destruction occurring on plants that have been infected by a virus are
referred to as_________blank lesions.
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Question Details
Bloom's : 1. Remember
Section : 06.04
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.04c Differentiate among the types of viral infections of eukaryotic cells
Accessibility : Keyboard Navigation
Gradable : automatic
7)
Viruses can infect all known cell types. Specifically, the viruses that infect bacterial cells
are called_________blank.
Question Details
Bloom's : 1. Remember
Section : 06.01
Topic : Bacteriophage Cycles
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.01a Define the terms virology, bacteriophage, and phage
Accessibility : Keyboard Navigation
Gradable : automatic
8)
Which isnot true of viruses?
A) They can exist in an intracellular or extracellular phase.
B) They infect animal and plant cells only.
C) They can be observed with an electron microscope.
D) They are acellular.
E) They replicate only inside host cells.
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Question Details
Bloom's : 2. Understand
Section : 06.01
Topic : General Viral Properties
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.01a Define the terms virology, bacteriophage, and phage
Accessibility : Keyboard Navigation
Gradable : automatic
9)
Which of the following is true of viruses in the extracellular phase?
A) They possess many different enzymes.
B) They can reproduce independently of living cells but only at a slow rate.
C) They behave as a macromolecular complex and are no more alive than are ribosomes.
D) They possess many different enzymes and they can reproduce independently of living
cells but only at a slow rate.
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viruses
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
10)
A complete virus particle is called a_________blank.
A) capsid
B) nucleocapsid
C) virion
D) cell
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Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
11)
The nucleic acids carried by viruses usually consist of_________blank.
A) DNA
B) RNA
C) either DNA or RNA
D) both DNA and RNA simultaneously
Question Details
Bloom's : 1. Remember
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 04 Information Flow and Genetics
ASM Objective : 04.04 The synthesis of viral genetic material and proteins is dependent on host cells
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
12)
Which of the following isnot true of viruses?
A) Viruses are acellular.
B) Viruses consist of one or more molecules of DNA or RNA enclosed in a coat of
protein and sometimes in other more complex layers.
C) Viruses can existin two phases: intracellular and extracellular.
D) Viruses replicate by binary fission.
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Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.03a Describe the five steps common to the life cycles of viruses
Accessibility : Keyboard Navigation
Gradable : automatic
13)
Virus morphology does not include which of the following characteristics?
A) Size
B) Shape
C) Presence or absence of an envelope
D) Host range
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
14)
The simplest viruses consist of_________blank.
A) RNA only
B) protein only
C) RNA or DNA in a protein coat
D) RNA or DNA in a protein coat covered with a lipid envelope
E) RNA, DNA, and enzymes in a protein coat with a lipid envelope
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6
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
15)
Viral capsid protein subunits are called_________blank.
A) auxomers
B) elastomers
C) protomers
D) viromers
Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
16)
In an enveloped virus, the part of the virus including the nucleic acid genome and the
surrounding protein coat but not the envelope is called the_________blank.
A) capsid
B) nucleocapsid
C) matrix
D) virion
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Question Details
Bloom's : 1. Remember
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02c Distinguish enveloped viruses from nonenveloped viruses
Accessibility : Keyboard Navigation
Gradable : automatic
17)
Some complex viruses have icosahedral symmetry in the head region and helical
symmetry in the tail. Overall, these viruses are said to have_________blank symmetry.
A) bilateral
B) binal
C) complex
D) radial
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02d Describe the types of capsid symmetry
Accessibility : Keyboard Navigation
Gradable : automatic
18)
Glycoprotein spikes protruding from the outer surface of viral envelopes function
as_________blank.
A) toxins
B) factors that bind to host cells
C) cell lysis factors
D) factors needed for site-specific recombination
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Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
19)
A_________blank genome exists as several separate, nonidentical molecules that may be
packaged together or separately.
A) diploid
B) segmented
C) polyploid
D) fractionated
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
20)
Many of the enzymes found in virus particles are_________blank.
A) required for viral attachment to host cells
B) involved in viral entry into host cells
C) involved in the replication of viral nucleic acid
D) All of the choices are correct.
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Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 03 Metabolic Pathways
ASM Objective : 03.03 The survival and growth of any microorganism in a given environment depends on
Learning Outcome : 06.03a Describe the five steps common to the life cycles of viruses
Accessibility : Keyboard Navigation
Gradable : automatic
21)
Which of the following is/arenot true about viral envelopes?
A) The envelope proteins are virus-specific.
B) The envelope lipids and carbohydrates are derived from the host.
C) They are typicallipid monolayers with embedded viral proteins.
D) The envelope proteins are virus-specific and the envelope lipids and carbohydrates are
derived from the host.
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02c Distinguish enveloped viruses from nonenveloped viruses
Accessibility : Keyboard Navigation
Gradable : automatic
22)
Viral envelopes are composed of_________blank.
A) proteins
B) lipids
C) carbohydrates
D) All of the choices are correct.
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Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02c Distinguish enveloped viruses from nonenveloped viruses
Accessibility : Keyboard Navigation
Gradable : automatic
23)
Two major types of symmetry found in viruses include_________blank.
A) icosahedral and radial
B) icosahedral and helical
C) helical and radial
D) radial and bilateral
Question Details
Bloom's : 1. Remember
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02d Describe the types of capsid symmetry
Accessibility : Keyboard Navigation
Gradable : automatic
24)
The function of the viral protein coat is to_________blank.
A) protect the viral genetic material
B) aid in the transfer of the viral genetic material between host cells
C) elicit the production of protective antibodies
D) protect the viral genetic material and aid in the transfer of the viral genetic material
between host cells
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Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
25)
The protein coat surrounding the viral genome is called the_________blank.
A) capsule
B) capsid
C) matrix
D) envelope
Question Details
Bloom's : 1. Remember
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
26)
Which of the following is true of a viral DNA genome?
A) It uses the samefour nitrogenous bases found in prokaryotic and eukaryotic DNA.
B) It may have thenormal bases found in prokaryotic and eukaryotic DNA, or it may have
one ormore unusual bases.
C) It is usually composed of unusual bases unique to viruses.
D) Viruses use only RNA for their genome.
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Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
27)
Virion size ranges from_________blank.
A) 1–40 nm
B) 10–400 nm
C) 600–1,000 nm
D) 1,000–10,000 nm
Question Details
Bloom's : 1. Remember
Section : 06.02
Topic : General Viral Properties
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02a State the size range of virions
Accessibility : Keyboard Navigation
Gradable : automatic
28)
Viral capsids are generally constructed without any outside aid once the subunits have
been synthesized. This process is called_________blank.
A) facilitated assembly
B) self-assembly
C) spontaneous maturation
D) self-maturation
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Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.03a Describe the five steps common to the life cycles of viruses
Accessibility : Keyboard Navigation
Gradable : automatic
29)
In which of the following stages of the viral infectious cycle do enveloped viruses usually
acquire their envelopes?
A) Penetration
B) Component biosynthesis
C) Assembly
D) Release
Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03c Describe the two most common methods for virion release from a host cell
Accessibility : Keyboard Navigation
Gradable : automatic
30)
Most enveloped viruses use the host_________blank membrane as their envelope source.
A) plasma
B) nuclear
C) mitochondrial
D) None of these choices are correct.
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Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02c Distinguish enveloped viruses from nonenveloped viruses
Accessibility : Keyboard Navigation
Gradable : automatic
31)
Poliovirus receptors are found_________blank.
A) in cells of all tissues
B) in the spinal cord anterior horn cells only
C) in the nasopharynx, gut, and spinal cord anterior horn cells
D) in gut cells only
Question Details
Bloom's : 3. Apply
Section : 06.03
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
32)
Nonenveloped viruses most often gain access to eukaryotic host cells by_________blank.
A) fusion with the host cell plasma membrane followed by entrance of the nucleocapsid
into the cytoplasm
B) endocytosis
C) pinocytosis
D) nucleic acid injection through the plasma membrane
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Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.02c Distinguish enveloped viruses from nonenveloped viruses
Accessibility : Keyboard Navigation
Gradable : automatic
33)
Which of the following represent(s) the way(s) in which enveloped viruses acquire their
envelopes?
A) Budding through the plasma membrane.
B) Budding through internal cellular membranes.
C) Viral enzymes are responsible for production of the envelope.
D) Some viruses bud through the plasma membrane while others bud through internal
cellular membranes.
Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Infections
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.03c Describe the two most common methods for virion release from a host cell
Accessibility : Keyboard Navigation
Gradable : automatic
34)
Animal viruses have been cultivated in_________blank.
A) suitable host animals
B) embryonated eggs
C) tissue cultures (monolayers of animal cells)
D) All of the choices are correct.
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Question Details
Bloom's : 2. Understand
Section : 06.05
Topic : Viruses
ASM Topic : Module 08 Microbiology Laboratory Skills
ASM Objective : 08.02 Use pure culture and selective techniques to enrich for and isolate microorgani
Learning Outcome : 06.05a List the approaches used to cultivate viruses, noting which types of viruse
Accessibility : Keyboard Navigation
Gradable : automatic
35)
Which of the following can be used to cultivate plant viruses?
A) Cultures of separated plant cells
B) Whole plants
C) Plant protoplast cultures
D) All of the choices are correct.
Question Details
Bloom's : 2. Understand
Section : 06.05
Topic : Viruses
ASM Topic : Module 08 Microbiology Laboratory Skills
ASM Objective : 08.02 Use pure culture and selective techniques to enrich for and isolate microorgani
Learning Outcome : 06.05a List the approaches used to cultivate viruses, noting which types of viruse
Accessibility : Keyboard Navigation
Gradable : automatic
36)
0.2 mls of a 10-4 dilution of a virus preparation yields 90 plaques. What is the number of
plaque-forming units (PFUs) per ml in the undiluted virus preparation?
A) 9.0 × 105
B) 4.5 × 106
C) 4.5 × 107
D) 9.0 × 108
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Question Details
Bloom's : 4. Analyze
Section : 06.05
Topic : Viruses
ASM Topic : Module 08 Microbiology Laboratory Skills
ASM Objective : 08.04 Estimate the number of microorganisms in a sample (using, for example, direct c
Accessibility : Keyboard Navigation
Learning Outcome : 06.05b Define plaque-forming unit and explain its role in the quantification of vi
Gradable : automatic
37)
A _________blank assay is most useful for determining the viability of a viral
preparation.
A) direct (electron microscopic) count
B) hemagglutination
C) plaque
D) PCR
Question Details
Bloom's : 4. Analyze
Section : 06.05
Topic : Viral Replication
ASM Topic : Module 08 Microbiology Laboratory Skills
ASM Objective : 08.04 Estimate the number of microorganisms in a sample (using, for example, direct c
Accessibility : Keyboard Navigation
Learning Outcome : 06.05b Define plaque-forming unit and explain its role in the quantification of vi
Gradable : automatic
38)
Which of the following isnot a mechanism by which viruses cause cancer in eukaryotic
animal cells?
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A) They carry a cancer-causing gene into the cell.
B) They encodeproteins that bind to and inactivate host cell proteins known as
tumorsuppressor proteins.
C) They produce defective interfering particles.
D) An expression of viral proteins results in abnormal expression of genes that regulate
cell growth and reproduction.
Question Details
Bloom's : 3. Apply
Section : 06.04
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.04c Differentiate among the types of viral infections of eukaryotic cells
Accessibility : Keyboard Navigation
Gradable : automatic
39)
Which of the following isnot true of viroids?
A) Viroids are small circular ssRNA molecules.
B) Viroids have no protein capsids.
C) Viroid RNA does not serve as mRNA nor does it direct the synthesis of mRNA.
D) Extracellular viroids have a lipid bilayer envelope.
Question Details
Bloom's : 2. Understand
Section : 06.06
Topic : Viral Classification
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.06a Describe the structure of a viroid and discuss the practical importance of
Accessibility : Keyboard Navigation
Gradable : automatic
40)
Viroids are of economic significance because they cause disease in_________blank.
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A) plants
B) animals
C) humans
D) All of the choices are correct.
Question Details
Bloom's : 3. Apply
Section : 06.06
Topic : Viruses
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.06a Describe the structure of a viroid and discuss the practical importance of
Accessibility : Keyboard Navigation
Gradable : automatic
41)
Viroids are_________blank.
A) proteins that may infect man and other animals causing spongiform encephalopathy
B) a class of so-called slow viruses
C) a new class of small single-stranded DNA viruses that infect some animals
D) short infectious single-stranded RNAs that can infect some plants
Question Details
Bloom's : 1. Remember
Section : 06.06
Topic : Viral Classification
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.06a Describe the structure of a viroid and discuss the practical importance of
Accessibility : Keyboard Navigation
Gradable : automatic
42)
Prions are of significance because they cause infections of_________blank.
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20
A) domestic animals and humans
B) plants
C) fungi
D) prokaryotes
Question Details
Bloom's : 1. Remember
Topic : Microbial World
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07b List characteristics common to all animal diseases caused by prions
Accessibility : Keyboard Navigation
Gradable : automatic
43)
Which of the following diseases is (are) caused by prions?
A) Scrapie
B) Mad cow disease
C) Kuru and Creutzfeldt-Jakob Disease
D) All of the choices are correct.
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07c Name at least two human diseases caused by prions
Accessibility : Keyboard Navigation
Gradable : automatic
44)
Which virion release process is most often used by enveloped viruses?
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21
A) Lysis
B) Facilitated diffusion
C) Budding
D) Diffusion through a channel protein
Question Details
Bloom's : 4. Analyze
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.03c Describe the two most common methods for virion release from a host cell
Accessibility : Keyboard Navigation
Gradable : automatic
45)
Which type of virus is most likely to be released by lysis of the host cell?
A) Enveloped virus
B) Nonenveloped virus
Question Details
Bloom's : 4. Analyze
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.03c Describe the two most common methods for virion release from a host cell
Accessibility : Keyboard Navigation
Gradable : automatic
46)
For a temperate phage to produce more phage, which of the following must happen?
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22
A) Lysogeny
B) Induction
C) Lysogenic conversion
D) Prophage formation
Question Details
Bloom's : 4. Analyze
Section : 06.04
Topic : Bacteriophage Cycles
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.04a Compare and contrast the major steps of the life cycles of virulent phages
Accessibility : Keyboard Navigation
Gradable : automatic
47)
The production of cholera toxin by virulent strains of Vibrio cholera is dependent upon
genes in a bacteriophage. This is an example of _________blank.
A) lysogenic conversion
B) induction
C) bacterial transformation
D) transduction
Question Details
Bloom's : 3. Apply
Section : 06.04
Topic : Bacteriophage Cycles
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.04b Define lysogenic conversion
Accessibility : Keyboard Navigation
Gradable : automatic
48)
Diphtheria toxin is produced only by strains of Corynebacterium diphtheriae that are
infected with a particular bacteriophage. This is an example of _________blank.
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A) conjugation
B) induction
C) lysis
D) lysogenic conversion
Question Details
Bloom's : 3. Apply
Section : 06.04
Topic : Bacteriophage Cycles
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.04b Define lysogenic conversion
Accessibility : Keyboard Navigation
Gradable : automatic
49)
Which type of phage always lyses its host cell?
A) Temperate
B) Virulent
C) Lysogenic
D) Prophage
Question Details
Bloom's : 2. Understand
Section : 06.04
Topic : Bacteriophage Cycles
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.04a Compare and contrast the major steps of the life cycles of virulent phages
Accessibility : Keyboard Navigation
Gradable : automatic
50)
Which of the following encodes its own capsid proteins?
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A) Satellite virus
B) Satellite DNA
C) Satellite RNA
D) Prion
Question Details
Bloom's : 2. Understand
Section : 06.06
Topic : Microbial World
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.06b Distinguish satellite viruses from satellite nucleic acids
Accessibility : Keyboard Navigation
Gradable : automatic
51)
Which of the following is/are necessary for the replication of a satellite virus?
A) Host cell only
B) Helper virus only
C) Prion only
D) Host cell and helper virus
Question Details
Bloom's : 3. Apply
Section : 06.06
Topic : Microbial World
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.06b Distinguish satellite viruses from satellite nucleic acids
Accessibility : Keyboard Navigation
Gradable : automatic
52)
The most notable difference between PrPC (normal protein) and PrPSc (prion protein) is
_________blank.
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A) PrPC is a much longer polypeptide chain, compared to PrPSc
B) PrPC causes a cell to undergo rapid apoptosis
C) PrPc folds appropriately whereas PrPSc does not fold correctly
D) PrPc is a functional glycolytic enzyme whereas PrPSc is nonfunctional
Question Details
Bloom's : 3. Apply
Topic : Prions
ASM Topic : Module 04 Information Flow and Genetics
ASM Objective : 04.03 The regulation of gene expression is influenced by external and internal molecu
Section : 06.07
Learning Outcome : 06.07a Describe prion structure and how prions are thought to replicate
Accessibility : Keyboard Navigation
Gradable : automatic
53)
All of the following are methods of prion disease transmission except _________blank.
A) ingestion of infected tissue
B) inheritance (genetic)
C) organ or tissue transplantation
D) contamination through use of inadequately processed surgical instruments
E) inhalation (airborne)
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07b List characteristics common to all animal diseases caused by prions
Accessibility : Keyboard Navigation
Gradable : automatic
54)
What is the minimum number of phage that can initiate the development of a plaque in a
bacterial lawn?
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A) 1
B) 5
C) 10
D) 25
Question Details
Bloom's : 2. Understand
Section : 06.05
Topic : Bacteriophage Cycles
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.05c Outline the events that lead to formation of a plaque in a lawn of bacteria
Accessibility : Keyboard Navigation
Gradable : automatic
55)
Virulent and temperate phages differ in that_________blank.
A) virulent phages always result in the lysis of the host cell, whereas temperate phages
may lyse the host cell, or they can enter a lysogenic cycle whereby they integrate their genome
into the genome of the host cell
B) temperate phages always result in the lysis of the host cell, whereas virulent phages
may lyse the host cell, or they can enter a lysogenic cycle whereby they integrate their genome
into the genome of the host cell
C) temperate phages integrate their genome into that of the host cell, causing uncontrolled
growth and ultimately lysis of the cell, whereas virulent phages remain in the lysogenic phase
indefinitely
D) virulent phages cause mutations in the host cell genome, whereas temperate phages
have no genetic effect on the host cell
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Question Details
Bloom's : 5. Evaluate
Section : 06.04
Topic : Bacteriophage Cycles
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.04a Compare and contrast the major steps of the life cycles of virulent phages
Accessibility : Keyboard Navigation
Gradable : automatic
56)
Diseases caused by prions that are seen in domesticated animals and humans have which
of the following manifestations in common?
A) All diseases cause neurodegeneration
B) All diseases cause gastrointestinal upset
C) All diseases affect the cardiovascular system
D) All diseases affect the musculoskeletal system
E) All diseases cause skin lesions
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07b List characteristics common to all animal diseases caused by prions
Accessibility : Keyboard Navigation
Gradable : automatic
57)
Viruses have a typical cellular structure like other living organisms.
⊚
⊚
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true
false
28
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
58)
Viruses in the extracellular state possess few, if any, active enzymes.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
59)
Viruses infecting protists, including algae, have never been detected.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.01
Topic : Viruses
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.01b List organisms that are hosts to viruses
Accessibility : Keyboard Navigation
Gradable : automatic
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60)
One way in which small viruses package more information into a very small genome is to
use overlapping genes so that the same base sequence is read in more than one reading frame.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
61)
Almost all known plant viruses are RNA viruses.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.01
Topic : Viral Infections
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.01b List organisms that are hosts to viruses
Accessibility : Keyboard Navigation
Gradable : automatic
62)
The most common capsid morphologies are icosahedral and helical.
⊚
⊚
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true
false
30
Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.03b Discuss the role of receptors, capsid proteins, and envelope proteins in th
Accessibility : Keyboard Navigation
Gradable : automatic
63)
The largest of the viruses are similar in size to some small bacteria and are large enough
to be seen with a light microscope.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Microbial World
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02a State the size range of virions
Accessibility : Keyboard Navigation
Gradable : automatic
64)
The presence or absence of an envelope is not useful in classifying viruses because any
given virus may at one time have an envelope and at another time not have an envelope.
⊚
⊚
true
false
Question Details
Bloom's : 3. Apply
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.01 The structure and function of microorganisms have been revealed by the use of m
Learning Outcome : 06.02c Distinguish enveloped viruses from nonenveloped viruses
Accessibility : Keyboard Navigation
Gradable : automatic
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65)
Viruses such as MS2 and Qß pack additional information into their genomes through the
use of overlapping genes.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.02
Topic : Viral Structure
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.02b Identify the parts of a virion and describe their function
Accessibility : Keyboard Navigation
Gradable : automatic
66)
Enveloped viruses may enter their host cells by fusion of their envelope with the
cytoplasmic membrane, thereby depositing their nucleocapsid within the cell.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.03a Describe the five steps common to the life cycles of viruses
Accessibility : Keyboard Navigation
Gradable : automatic
67)
Enveloped viruses may enter their host cells by engulfment within coated vesicles
(endocytosis).
⊚
⊚
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true
false
32
Question Details
Bloom's : 2. Understand
Section : 06.03
Topic : Viral Replication
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.03a Describe the five steps common to the life cycles of viruses
Accessibility : Keyboard Navigation
Gradable : automatic
68)
In a plaque assay, the number of infectious virions is usually identical to the number of
virus particles present.
⊚
⊚
true
false
Question Details
Bloom's : 3. Apply
Section : 06.05
Topic : Bacteriophage Cycles
ASM Topic : Module 08 Microbiology Laboratory Skills
ASM Objective : 08.04 Estimate the number of microorganisms in a sample (using, for example, direct c
Accessibility : Keyboard Navigation
Learning Outcome : 06.05b Define plaque-forming unit and explain its role in the quantification of vi
Gradable : automatic
69)
Like bacteria and eukaryotic microorganisms, most viruses can be cultured using artificial
media.
⊚
⊚
true
false
Question Details
Bloom's : 3. Apply
Section : 06.05
Topic : Viruses
ASM Topic : Module 08 Microbiology Laboratory Skills
ASM Objective : 08.02 Use pure culture and selective techniques to enrich for and isolate microorgani
Learning Outcome : 06.05a List the approaches used to cultivate viruses, noting which types of viruse
Accessibility : Keyboard Navigation
Gradable : automatic
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70)
Bacterial viruses are so named because they have prokaryotic cell structures similar to
their bacterial hosts.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Section : 06.01
Topic : Bacteriophage Cycles
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Learning Outcome : 06.01a Define the terms virology, bacteriophage, and phage
Accessibility : Keyboard Navigation
Gradable : automatic
71)
Prions consist of proteins and have no apparent nucleic acid genome.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 06 Impact of Microorganisms
ASM Objective : 06.02 Microorganisms provide essential models that give us fundamental knowledge abou
Section : 06.07
Learning Outcome : 06.07a Describe prion structure and how prions are thought to replicate
Accessibility : Keyboard Navigation
Gradable : automatic
72)
Available evidence is consistent with the proposal that prion diseases are caused by
infectious proteins.
⊚
⊚
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true
false
34
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07a Describe prion structure and how prions are thought to replicate
Accessibility : Keyboard Navigation
Gradable : automatic
73)
The mechanism of pathogenesis by prions may involve a conformational change in the
prion protein (PrP) to an abnormal form.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07a Describe prion structure and how prions are thought to replicate
Accessibility : Keyboard Navigation
Gradable : automatic
74)
There are no known human diseases that have been linked to prions.
⊚
⊚
true
false
Question Details
Bloom's : 2. Understand
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07c Name at least two human diseases caused by prions
Accessibility : Keyboard Navigation
Gradable : automatic
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75)
A temperate phage always lyses its host cell.
⊚
true
⊚
false
Question Details
Bloom's : 1. Remember
Section : 06.04
Topic : Bacteriophage Cycles
ASM Topic : Module 02 Cell Structure and Function
ASM Objective : 02.05 The replication cycles of viruses (lytic and lysogenic) differ among viruses an
Learning Outcome : 06.04a Compare and contrast the major steps of the life cycles of virulent phages
Accessibility : Keyboard Navigation
Gradable : automatic
76)
A PrPc protein can convert a PrPSc to a PrPc.
⊚
true
⊚
false
Question Details
Bloom's : 4. Analyze
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.03 Microorganisms and their environment interact with and modify each other.
Section : 06.07
Learning Outcome : 06.07a Describe prion structure and how prions are thought to replicate
Accessibility : Keyboard Navigation
Gradable : automatic
77)
Creutzfeldt-Jacob disease is known to have been transmitted by surgical instruments and
transplanted nerve tissue.
⊚
true
⊚
false
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Question Details
Bloom's : 1. Remember
Topic : Prions
ASM Topic : Module 05 Microbial Systems
ASM Objective : 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman h
Section : 06.07
Learning Outcome : 06.07c Name at least two human diseases caused by prions
Accessibility : Keyboard Navigation
Gradable : automatic
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Answer Key
Test name: Prescotts Microbiology 12e Willey TB 06
1) Peplomers
2) capsomers
3) icosahedral
4) transformation
5) cytopathic effects
6) necrotic
7) bacteriophages
8) B
9) C
10) C
11) C
12) D
13) D
14) C
15) C
16) B
17) B
18) B
19) B
20) C
21) C
22) D
23) B
24) D
25) B
26) A
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27) B
28) B
29) D
30) A
31) C
32) B
33) D
34) D
35) D
36) B
37) C
38) C
39) D
40) A
41) D
42) A
43) D
44) C
45) B
46) B
47) A
48) D
49) B
50) A
51) D
52) C
53) E
54) A
55) A
56) A
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57) FALSE
58) TRUE
59) FALSE
60) TRUE
61) TRUE
62) TRUE
63) TRUE
64) FALSE
65) TRUE
66) TRUE
67) TRUE
68) FALSE
69) FALSE
70) FALSE
71) TRUE
72) TRUE
73) TRUE
74) FALSE
75) FALSE
76) FALSE
77) TRUE
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