MICRO 101 Microbiology Midterm
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Question 1
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The concept that human and animal diseases are caused by microorganisms is called the
Select one:
a. cell theory.
b. germ theory.
c. causative theory.
d. disease theory.
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The correct answer is: germ theory.
Question 2
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Cells with a relatively simple cell morphology that do not have a true membrane-delimited
nucleus are called
Select one:
, MICRO 101 Microbiology Midterm
a. prokaryotes.
b. eukaryotes.
c. urkaryotes.
d. nokaryotes.
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The correct answer is: prokaryotes.
Question 3
Correct
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Question text
A microscope that exposes specimens to ultraviolet, violet, or blue light and forms an image with
the light emitted at a different wavelength is called a microscope.
Select one:
a. phase-contrast
b. dark-field
c. scanning electron
d. fluorescence
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The correct answer is: fluorescence
Question 4
Correct
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A wide variety of microorganisms are commercially used to manufacture for human
consumption.
Select one:
a. vitamins
b. sugars
c. fatty acids
d. none of the choices
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The correct answer is: vitamins
Question 5
Correct
, MICRO 101 Microbiology Midterm
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Question text
Which of the following is not considered a macronutrient?
Select one:
a. Carbon (C)
b. Calcium (Ca)
c. Potassium (K)
d. Cobalt (Co)
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The correct answer is: Cobalt (Co)
Question 6
Correct
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Question text
Which of the following is the most unique aspect of archaeon cell envelopes?
Select one:
a. The plasma membrane is composed of phospholipids
b. The cell walls contain a modified type of peptidoglycan
c. Archaeon capsules can be composed of protein or polysaccharide.
d. Some archaeons have lipid monolayers in their plasma membrane.
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The correct answer is: Some archaeons have lipid monolayers in their plasma membrane.
Question 7
Correct
4.00 points out of 4.00
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Question text
Some researchers have suggested that archaeal flagella be renamed as archaella because
Select one:
a. they are more slender than bacterial flagella.
b. some archaeon flagella don’t have hooks.
c. archaean flagella are solid and not hollow.
d. archaean flagella are composed of more than one type of flagellin subunit.
e. All of the choices are correct.
•
Started on
State
Completed on
Time taken
Grade
Question 1
Correct
4.00 points out of 4.00
Flag question
Question text
The concept that human and animal diseases are caused by microorganisms is called the
Select one:
a. cell theory.
b. germ theory.
c. causative theory.
d. disease theory.
Feedback
The correct answer is: germ theory.
Question 2
Correct
4.00 points out of 4.00
Flag question
Question text
Cells with a relatively simple cell morphology that do not have a true membrane-delimited
nucleus are called
Select one:
, MICRO 101 Microbiology Midterm
a. prokaryotes.
b. eukaryotes.
c. urkaryotes.
d. nokaryotes.
Feedback
The correct answer is: prokaryotes.
Question 3
Correct
4.00 points out of 4.00
Flag question
Question text
A microscope that exposes specimens to ultraviolet, violet, or blue light and forms an image with
the light emitted at a different wavelength is called a microscope.
Select one:
a. phase-contrast
b. dark-field
c. scanning electron
d. fluorescence
Feedback
The correct answer is: fluorescence
Question 4
Correct
4.00 points out of 4.00
Flag question
Question text
A wide variety of microorganisms are commercially used to manufacture for human
consumption.
Select one:
a. vitamins
b. sugars
c. fatty acids
d. none of the choices
Feedback
The correct answer is: vitamins
Question 5
Correct
, MICRO 101 Microbiology Midterm
4.00 points out of 4.00
Flag question
Question text
Which of the following is not considered a macronutrient?
Select one:
a. Carbon (C)
b. Calcium (Ca)
c. Potassium (K)
d. Cobalt (Co)
Feedback
The correct answer is: Cobalt (Co)
Question 6
Correct
4.00 points out of 4.00
Flag question
Question text
Which of the following is the most unique aspect of archaeon cell envelopes?
Select one:
a. The plasma membrane is composed of phospholipids
b. The cell walls contain a modified type of peptidoglycan
c. Archaeon capsules can be composed of protein or polysaccharide.
d. Some archaeons have lipid monolayers in their plasma membrane.
Feedback
The correct answer is: Some archaeons have lipid monolayers in their plasma membrane.
Question 7
Correct
4.00 points out of 4.00
Flag question
Question text
Some researchers have suggested that archaeal flagella be renamed as archaella because
Select one:
a. they are more slender than bacterial flagella.
b. some archaeon flagella don’t have hooks.
c. archaean flagella are solid and not hollow.
d. archaean flagella are composed of more than one type of flagellin subunit.
e. All of the choices are correct.
