M6: Exam - Requires Respondus LockDown
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Due No due date Points 100 Questions 30
Time Limit 60 Minutes Requires Respondus LockDown Browser
Questions and Answers:
# Question Points Answer
1 a. True or False. Because the genome is 2 a. False.
contained within an enclosed space (much False. Viruses are neither eukaryotic nor
like the nucleus of a cell), viruses are prokaryotic.
classified as eukaryotic.
b. True.
b. True or False. Although viruses may
contain their genome within an enclosed
space (much like the nucleus of a cell), it
is considered neither eukaryotic nor
ta
prokaryotic.
2 a. Describe the two basic components of a 5 a. A virus has (1) genomic material comprised
virus. of either DNA or RNA and (2) a capsid, a
da
membrane-like protective structure that
contains the genetic material, similar to the
nucleus of a eukaryotic cell.
3 a. The ________ surrounds the capsid of 3 a. envelope
on
some viruses.
b. capsid
b. The envelope surrounds the _________
of some viruses.
4 a. True or False. You would expect to see a 2 a. False.
ta
viral envelope on a virus infecting a False. The overwhelming majority of animal
bacterial cell. viruses are enveloped whereas the majority of
plant or bacteria-infecting viruses are not.
b. True or False. You would expect to see a
da
viral envelope on a virus infecting a plant b. False
cell.
5 a. Rank the following viruses based on 3 a. Smallpox (~200nm) > Paramyxovirus (100-
their size from largest to smallest: 150nm) > Poliovirus (~30nm)
- Paramyxovirus
- Poliovirus b. Variola virus (~200nm) > Orthomyxovirus
- Smallpox virus (100-150nm) > Poliovirus (~30nm)
b. Rank the following viruses based on
their size from largest to smallest:
- Orthomyxovirus
- Poliovirus
- Variola virus
, M6: Exam - Requires Respondus LockDown
Browser + Webcam
Due No due date Points 100 Questions 30
Time Limit 60 Minutes Requires Respondus LockDown Browser
# Question Points Answer
6 a. True or False: Highly infectious viruses 2 a. False.
undergo genome replication prior to viral False. The viral genome is never replicated
attachment and entry. before attachment and entry regardless of its
level of infectivity.
b. True or False: Viral replication occurs
after it attaches and enters the host cell. b. True.
True. The viral genome is never replicated
before attachment and entry.
7 a. Place the following viral life cycle steps 5 a.
in order beginning with viral attachment 3- Uncoating: the viral capsid disassembles
ta
and provide a description of each step. 5-Release: New virus particles are produced
Uncoating: and leave the cell 4-Replication: the viral
Release: genome is the ‘blueprint’ to make copies of
Replication: itself
da
Attachment: 1-Attachment: viral receptors bind to host
Entry: proteins on the surface of the cell
New infection: 2-Entry: the virus fuses with the host
membrane and enters the cell
6-New infection: newly produced viruses that
on
left the host cell now go on to infect new cells.
8 a. A virus that infects bacteria is called a 3 a.
[answer1] and contains a [answer2] -sided 1. Bacteriophage
polygon capsid. 2. 20
ta
9 a. True or False. Structurally, 2 a. False.
bacteriophages are similar to viruses that False. Bacteriophages have a distinct
infect animals. composition and structure.
da
b. True or False. Structurally, b. True.
bacteriophages are distinct from viruses True. Bacteriophages are structurally distinct
that infect plant or animal cells. from viruses that infect plant and animals cells.
10 a. Identify the following components of a 5 a.
bacteriophage. 1-Capsid
2- Collar
3- Tail
4- Base plate
5- Tail fibers
Browser + Webcam
Due No due date Points 100 Questions 30
Time Limit 60 Minutes Requires Respondus LockDown Browser
Questions and Answers:
# Question Points Answer
1 a. True or False. Because the genome is 2 a. False.
contained within an enclosed space (much False. Viruses are neither eukaryotic nor
like the nucleus of a cell), viruses are prokaryotic.
classified as eukaryotic.
b. True.
b. True or False. Although viruses may
contain their genome within an enclosed
space (much like the nucleus of a cell), it
is considered neither eukaryotic nor
ta
prokaryotic.
2 a. Describe the two basic components of a 5 a. A virus has (1) genomic material comprised
virus. of either DNA or RNA and (2) a capsid, a
da
membrane-like protective structure that
contains the genetic material, similar to the
nucleus of a eukaryotic cell.
3 a. The ________ surrounds the capsid of 3 a. envelope
on
some viruses.
b. capsid
b. The envelope surrounds the _________
of some viruses.
4 a. True or False. You would expect to see a 2 a. False.
ta
viral envelope on a virus infecting a False. The overwhelming majority of animal
bacterial cell. viruses are enveloped whereas the majority of
plant or bacteria-infecting viruses are not.
b. True or False. You would expect to see a
da
viral envelope on a virus infecting a plant b. False
cell.
5 a. Rank the following viruses based on 3 a. Smallpox (~200nm) > Paramyxovirus (100-
their size from largest to smallest: 150nm) > Poliovirus (~30nm)
- Paramyxovirus
- Poliovirus b. Variola virus (~200nm) > Orthomyxovirus
- Smallpox virus (100-150nm) > Poliovirus (~30nm)
b. Rank the following viruses based on
their size from largest to smallest:
- Orthomyxovirus
- Poliovirus
- Variola virus
, M6: Exam - Requires Respondus LockDown
Browser + Webcam
Due No due date Points 100 Questions 30
Time Limit 60 Minutes Requires Respondus LockDown Browser
# Question Points Answer
6 a. True or False: Highly infectious viruses 2 a. False.
undergo genome replication prior to viral False. The viral genome is never replicated
attachment and entry. before attachment and entry regardless of its
level of infectivity.
b. True or False: Viral replication occurs
after it attaches and enters the host cell. b. True.
True. The viral genome is never replicated
before attachment and entry.
7 a. Place the following viral life cycle steps 5 a.
in order beginning with viral attachment 3- Uncoating: the viral capsid disassembles
ta
and provide a description of each step. 5-Release: New virus particles are produced
Uncoating: and leave the cell 4-Replication: the viral
Release: genome is the ‘blueprint’ to make copies of
Replication: itself
da
Attachment: 1-Attachment: viral receptors bind to host
Entry: proteins on the surface of the cell
New infection: 2-Entry: the virus fuses with the host
membrane and enters the cell
6-New infection: newly produced viruses that
on
left the host cell now go on to infect new cells.
8 a. A virus that infects bacteria is called a 3 a.
[answer1] and contains a [answer2] -sided 1. Bacteriophage
polygon capsid. 2. 20
ta
9 a. True or False. Structurally, 2 a. False.
bacteriophages are similar to viruses that False. Bacteriophages have a distinct
infect animals. composition and structure.
da
b. True or False. Structurally, b. True.
bacteriophages are distinct from viruses True. Bacteriophages are structurally distinct
that infect plant or animal cells. from viruses that infect plant and animals cells.
10 a. Identify the following components of a 5 a.
bacteriophage. 1-Capsid
2- Collar
3- Tail
4- Base plate
5- Tail fibers
