Multiple Choice
Gram negative cell walls contain fewer layers of _____ than gram positive cell walls.
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7. Prokaryotic Cell Structures & Functions
Gram-Positive vs. Gram-Negative Cell Walls
Back7. Prokaryotic Cell Structures & Functions
Gram-Positive vs. Gram-Negative Cell Walls
- Textbook Question
The following outline can be used to identify important bacteria. Fill in a representative genus in the space provided.
- Multiple ChoiceIf you forget to use the decolorizer during a Gram stain, which cell type(s) will appear purple under the microscope?
- Multiple ChoiceWhich of the following features distinguishes the cell wall of Gram-positive bacteria from that of Gram-negative bacteria?1views
- Multiple ChoiceWhich structure accounts for the different results of the Gram stain in Gram-positive and Gram-negative bacteria?1views
- Multiple ChoiceThe outcome of the Gram stain is based on differences in the cell's _______.
- Textbook Question
Which cellular structure is important in classifying a bacterial species as Gram positive or Gram negative?
a. Flagella
b. Cell wall
c. Cilia
d. Glycocalyx
8views - Multiple ChoiceThe Gram stain works because of differences in the ________ of bacteria.1views
- Multiple ChoiceThe Gram stain differentiates bacteria based upon structural differences of the bacterial cell wall. Which of the following best describes the key difference between Gram-positive and Gram-negative cell walls?1views
- Multiple ChoiceWhy are penicillins often more effective against gram-positive bacteria than gram-negative bacteria?1views
- Multiple ChoiceDuring the Gram stain procedure, which type of cells decolorize when the alcohol is applied?1views
- Multiple ChoiceThe outcome of the Gram stain is based on differences in the cell's:1views
- Multiple ChoiceWhich component is found in the external covering of Gram-positive cells, but not in Gram-negative cells?1views
- Multiple ChoiceAfter the Gram staining procedure, Gram-positive cells appear ______.2views
- Multiple ChoiceWhich structural feature is present in Gram-positive bacterial cell walls but absent in Gram-negative cell walls?1views