BIOD 171 M6: MODULE 6 CERTIFIED QUALITY EXAM NEWEST
2025/2026 REQUIRES RESPONDUS LOCKDOWN BROWSER +
WEBCAM| PORTAGE LEARNING
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True or false. Structurally, bacteriophages are distinct from
viruses that infect plant or animal cells.
True. Bacteriophages are structurally distinct from viruses that
infect plant and animals cells.
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Identify the following components of a bacteriophage (picture)
1. Capsid 2. Collar 3. Tail 4. Base 5. Tail fibers
Describe the main differences between lytic and temperate
phages (short answer)
Lytic bacteriophages replicate within the host bacteria until it
ruptures, whereas temperate phages primarily exist in a non-
replicative state that does not kill the host cell
Lytic phages replicate all viral proteins needed for the assembly
of new virus particles whereas lysogenic phage genomes are
integrated into the host genome but production of viral proteins
is suppressed
Based on the following image, would you expect the viral titer to
be high or low? Why? (cloudy)
Low. As turbidity is a function of the number of intact bacterial
cells present in the media, the amount of virus contained within
the above tube must be low. As the lytic continues more and
, more bacterial cells will be destroyed, effectively clearing the
media.
Which of the following cannot be spread via airborne particlesa.
Measles b. Mumps c. Rubella d. A and b e. None of the above
E. Measles, mumps and rubella can all be spread via airborne
particles formed while coughing, sneezing, etc.
True or false: a patient infected with rubella is considered
infectious one week before and after the appearance of the
trademark rash
True
True or false. A patient infected with rubella is only considered
infectious when the trademark rash is visible.
False. A patient infected with rubella is infectious one week
before and one week after the appearance of the rash.
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Which of the following diseases does a linear, double-stranded
dna virus cause? A. Measles b mumps c. Rubella d. B and c e.
None of the above
E. Measles, mumps, and rubella are linear, single-stranded rna
viruses
What linear, double-stranded, enveloped dna virus is the first
virus (as of oct. 26, 1977) to be officially declared eradicated?
(short answer)
2025/2026 REQUIRES RESPONDUS LOCKDOWN BROWSER +
WEBCAM| PORTAGE LEARNING
We have an expert-written solution to this problem!
True or false. Structurally, bacteriophages are distinct from
viruses that infect plant or animal cells.
True. Bacteriophages are structurally distinct from viruses that
infect plant and animals cells.
We have an expert-written solution to this problem!
Identify the following components of a bacteriophage (picture)
1. Capsid 2. Collar 3. Tail 4. Base 5. Tail fibers
Describe the main differences between lytic and temperate
phages (short answer)
Lytic bacteriophages replicate within the host bacteria until it
ruptures, whereas temperate phages primarily exist in a non-
replicative state that does not kill the host cell
Lytic phages replicate all viral proteins needed for the assembly
of new virus particles whereas lysogenic phage genomes are
integrated into the host genome but production of viral proteins
is suppressed
Based on the following image, would you expect the viral titer to
be high or low? Why? (cloudy)
Low. As turbidity is a function of the number of intact bacterial
cells present in the media, the amount of virus contained within
the above tube must be low. As the lytic continues more and
, more bacterial cells will be destroyed, effectively clearing the
media.
Which of the following cannot be spread via airborne particlesa.
Measles b. Mumps c. Rubella d. A and b e. None of the above
E. Measles, mumps and rubella can all be spread via airborne
particles formed while coughing, sneezing, etc.
True or false: a patient infected with rubella is considered
infectious one week before and after the appearance of the
trademark rash
True
True or false. A patient infected with rubella is only considered
infectious when the trademark rash is visible.
False. A patient infected with rubella is infectious one week
before and one week after the appearance of the rash.
We have an expert-written solution to this problem!
Which of the following diseases does a linear, double-stranded
dna virus cause? A. Measles b mumps c. Rubella d. B and c e.
None of the above
E. Measles, mumps, and rubella are linear, single-stranded rna
viruses
What linear, double-stranded, enveloped dna virus is the first
virus (as of oct. 26, 1977) to be officially declared eradicated?
(short answer)
