Exam 13: Early Life Forms and the Viruses

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Match the following terms with the description to which they best correspond.
Premises:
disease-causing agent
Responses:
strain
protist
photoautotroph
Correct Answer:
Verified
Premises:
Responses:
disease-causing agent
strain
(Matching)
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Match the following terms with the description to which they best correspond.
Premises:
multicellular protist able to live in deep ocean water
Responses:
apicomplexan
green algae
amoebas
Correct Answer:
Verified
Premises:
Responses:
multicellular protist able to live in deep ocean water
apicomplexan
(Matching)
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Match the prokaryote with the correct description.
Premises:
These produce methane.
Responses:
cyanobacteria
bacteria
halophiles
Correct Answer:
Verified
Premises:
Responses:
These produce methane.
cyanobacteria
(Matching)
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    In the figure above, the viral DNA in the lysogenic pathway ____. Is no longer present   In the figure above, the viral DNA in the lysogenic pathway ____. Is no longer present

(Multiple Choice)
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Match the following bacterial diseases with the proper description.
Premises:
sexually transmitted disease
Responses:
gonorrhea
cholera
strep throat
Correct Answer:
Verified
Premises:
Responses:
sexually transmitted disease
gonorrhea
(Matching)
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All free viral particles contain _____.

(Multiple Choice)
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Match the prokaryote with the correct description.
Premises:
These can live in water of very high salt concentration.
Responses:
cyanobacteria
thermophiles
halophiles
Correct Answer:
Verified
Premises:
Responses:
These can live in water of very high salt concentration.
cyanobacteria
(Matching)
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The ____ water mold was responsible for the Irish famine in the mid-1800s.

(Multiple Choice)
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Label the figure below showing three mechanisms of gene exchange in prokaryotic cells.
Label the figure below showing three mechanisms of gene exchange in prokaryotic cells.
Premises:
conjugation
Responses:
A
B
C
Correct Answer:
Verified
Premises:
Responses:
conjugation
A
(Matching)
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____ are dome-shaped structures composed of layers of early cells and sediments.

(Multiple Choice)
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____ may have been a source of organic monomers on early Earth.

(Multiple Choice)
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Match the prokaryote with the correct description.
Premises:
These have parasitic members.
Responses:
cyanobacteria
thermophiles
bacteria
Correct Answer:
Verified
Premises:
Responses:
These have parasitic members.
cyanobacteria
(Matching)
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Dinoflagellates typically have ____; some photosynthetic species live inside coral cells, which they supply with _____.

(Multiple Choice)
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The ____ protists may cause dysentery after drinking contaminated water. Amoeba

(Multiple Choice)
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Match the prokaryote with the correct description.
Premises:
These are likely related to the organism that gave rise to chloroplasts.
Responses:
bacteria
halophiles
methanogens
Correct Answer:
Verified
Premises:
Responses:
These are likely related to the organism that gave rise to chloroplasts.
bacteria
(Matching)
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Match the following terms with the description to which they best correspond.
Premises:
genetically distinct subtype of a particular microorganism
Responses:
strain
pathogen
photoautotroph
Correct Answer:
Verified
Premises:
Responses:
genetically distinct subtype of a particular microorganism
strain
(Matching)
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Label the figure below showing three mechanisms of gene exchange in prokaryotic cells.
Label the figure below showing three mechanisms of gene exchange in prokaryotic cells.
Premises:
transformation
Responses:
B
A
C
Correct Answer:
Verified
Premises:
Responses:
transformation
B
(Matching)
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A virus is most analogous to a(an)____.

(Multiple Choice)
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Algins, thickening compounds used in the food industry, are obtained from ____.

(Multiple Choice)
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Scientific evidence suggests that Earth had cooled enough for_____ to accumulate by 4.3 billion years ago.

(Multiple Choice)
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