Mastering Microbiology Chapter 13 Questions
and Answers 100%
Quiz:> Which of the following is a feature shared by viruses and living organisms?
a) presence of cytoplasm
b) responsiveness
c) possession of a genome that directs synthesis of materials necessary for replication
d)metabolic capability
e)the ability to increase in size
{{{Answer}}} (c) possession of a genome that directs synthesis of materials necessary
for replication)
Quiz:> In what ways do viruses differ from other pathogens?
{{{Answer}}} (Viruses lack cytoplasm and organelles)
Quiz:> The outermost layer of a virion fulfills which of the following functions of the
virus?
{{{Answer}}} (both protection and recognition)
Quiz:> Which of the following is a characteristic by which viruses are classified?
a) type of nucleic acid
b) type of host
c) sized
d) number of chromosomes
e)type of life cycle
{{{Answer}}} (a) type of nucleic acid)
Quiz:> Host specificity of a virus is due to
{{{Answer}}} (interactions between viral and cellular surface molecules)
Quiz:> Which of the following places stages of a lytic replication cycle in order, from
earliest to latest stages?
I. Synthesis
II. Assembly
III. Attachment
IV. Release
V. Entry
{{{Answer}}} (III, V, I, II, IV)
Quiz:> Which of the following membranes can give rise to a viral envelope?
, a) the endoplasmic reticulum
b) the cytoplasmic membrane
c) the nuclear and cytoplasmic membranes and the
endoplasmic reticulum
d) the nuclear membrane
e) the nuclear and cytoplasmic membranes
{{{Answer}}} (c) the nuclear and cytoplasmic membranes and the
endoplasmic reticulum)
Quiz:> Be able to label a concept map of replication of animal viruses.
{{{Answer}}} ()
Quiz:> We sometimes are able to generate antibodies (immune system proteins) that
bind to and cover up some of the proteins on the outermost portion of a virus while it is
in the bloodstream. This renders the virus unable to reproduce. Which step of viral
replication are antibodies directly preventing?
{{{Answer}}} (attachment)
Quiz:> Enveloped viruses have a layer of lipids surrounding their capsid. This envelope
is made mostly of host cell membrane. In which step does the virus acquire this
envelope?
{{{Answer}}} (release)
Quiz:> What occurs during viral uncoating?
{{{Answer}}} (The capsid breaks apart, releasing the viral genome.)
Quiz:> Be able to label and explain the enveloped virus budding process.
{{{Answer}}} ()
Quiz:> Lysogenic viral DNA integrating into the host genome is referred to as
{{{Answer}}} (a prophage.)
Quiz:> Which of the following events might trigger induction of a temperate
bacteriophage?
{{{Answer}}} (Exposure to UV light)
Quiz:> How is the lytic cycle different from the lysogenic cycle with respect to the
infected host cell?
{{{Answer}}} (The host cell dies during the lytic stage)
Quiz:> What is the fate of the prophage during the lysogenic stage?
{{{Answer}}} (It is copied every time the host DNA replicates)
Quiz:> Tumors invade other organs and tissues in a process called
{{{Answer}}} (metastasis)
and Answers 100%
Quiz:> Which of the following is a feature shared by viruses and living organisms?
a) presence of cytoplasm
b) responsiveness
c) possession of a genome that directs synthesis of materials necessary for replication
d)metabolic capability
e)the ability to increase in size
{{{Answer}}} (c) possession of a genome that directs synthesis of materials necessary
for replication)
Quiz:> In what ways do viruses differ from other pathogens?
{{{Answer}}} (Viruses lack cytoplasm and organelles)
Quiz:> The outermost layer of a virion fulfills which of the following functions of the
virus?
{{{Answer}}} (both protection and recognition)
Quiz:> Which of the following is a characteristic by which viruses are classified?
a) type of nucleic acid
b) type of host
c) sized
d) number of chromosomes
e)type of life cycle
{{{Answer}}} (a) type of nucleic acid)
Quiz:> Host specificity of a virus is due to
{{{Answer}}} (interactions between viral and cellular surface molecules)
Quiz:> Which of the following places stages of a lytic replication cycle in order, from
earliest to latest stages?
I. Synthesis
II. Assembly
III. Attachment
IV. Release
V. Entry
{{{Answer}}} (III, V, I, II, IV)
Quiz:> Which of the following membranes can give rise to a viral envelope?
, a) the endoplasmic reticulum
b) the cytoplasmic membrane
c) the nuclear and cytoplasmic membranes and the
endoplasmic reticulum
d) the nuclear membrane
e) the nuclear and cytoplasmic membranes
{{{Answer}}} (c) the nuclear and cytoplasmic membranes and the
endoplasmic reticulum)
Quiz:> Be able to label a concept map of replication of animal viruses.
{{{Answer}}} ()
Quiz:> We sometimes are able to generate antibodies (immune system proteins) that
bind to and cover up some of the proteins on the outermost portion of a virus while it is
in the bloodstream. This renders the virus unable to reproduce. Which step of viral
replication are antibodies directly preventing?
{{{Answer}}} (attachment)
Quiz:> Enveloped viruses have a layer of lipids surrounding their capsid. This envelope
is made mostly of host cell membrane. In which step does the virus acquire this
envelope?
{{{Answer}}} (release)
Quiz:> What occurs during viral uncoating?
{{{Answer}}} (The capsid breaks apart, releasing the viral genome.)
Quiz:> Be able to label and explain the enveloped virus budding process.
{{{Answer}}} ()
Quiz:> Lysogenic viral DNA integrating into the host genome is referred to as
{{{Answer}}} (a prophage.)
Quiz:> Which of the following events might trigger induction of a temperate
bacteriophage?
{{{Answer}}} (Exposure to UV light)
Quiz:> How is the lytic cycle different from the lysogenic cycle with respect to the
infected host cell?
{{{Answer}}} (The host cell dies during the lytic stage)
Quiz:> What is the fate of the prophage during the lysogenic stage?
{{{Answer}}} (It is copied every time the host DNA replicates)
Quiz:> Tumors invade other organs and tissues in a process called
{{{Answer}}} (metastasis)
