7. Prokaryotic Cell Structures & Functions

Gram-Positive Cell Walls

Textbook Question
Name three groups of low G + C Gram-positive bacteria.
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Multiple Choice
Which two types of acids are characteristic components of the Gram-positive cell wall, in addition to peptidoglycan?
Multiple Choice
Which of the following components is a major structural feature of Gram-positive bacterial cell walls?
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Multiple Choice
Each of the following statements concerning the gram-positive cell wall is true EXCEPT:
Multiple Choice
Which of the following compounds is commonly found associated with the cell walls of Gram-positive bacteria, but not Gram-negative bacteria?
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Textbook Question
Gram-positive bacteria __________.

a. have a thick cell wall, which retains crystal violet dye
b. contain teichoic acids in their cell walls
c. appear purple after Gram staining
d. all of the above
Multiple Choice
Which of the following best describes a key structural feature of the cell envelope in Gram-positive bacteria?
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Multiple Choice
Which description best characterizes the cell wall of a Gram-positive bacterium?
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Multiple Choice
Bacterial cell walls that are resistant to drying contain which of the following components?
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Multiple Choice
All of the following are found in the cell walls of Gram-positive bacteria except __________.
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Multiple Choice
Upon completion of the Gram stain, Gram-positive cells will appear:
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Textbook Question
You have isolated a motile, gram-positive cell with no visible nucleus. You can assume this cell has
a. Ribosomes.
b. Mitochondria.
c. An endoplasmic reticulum.
d. A Golgi complex.
e. All of the above
Multiple Choice
___________ are sugar polymers found in the cell wall of gram-positive bacteria.
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Multiple Choice
The cell wall of Gram-positive bacteria:
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Textbook Question
This anaerobic, gram-positive rod is found on the skin. Infections are often treated with retinoids or benzoyl peroxide.
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