Gram Staining Properties

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  • Created by: Suki28
  • Created on: 10-09-18 19:57
Gram Staining Definition
Technique used to differentiate between two groups of bacteria based on cell wall composition.
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What colour does Gram-negative cells stain?
Pink
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What colour does Gram-positive cells stain?
Purple
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How many outer membranes does Gram-positive cells have?
One
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How many outer membranes does Gram-negative cells have?
Two
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Thick/thin layer of peptidoglycan in Gram-positive cells?
Gram-positive cells have thick layer of peptidoglycan.
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Thick/thin layer of peptidoglycan in Gram-negative cells?
Gram-negative cells have thin layer of peptidoglycan.
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Card 2

Front

What colour does Gram-negative cells stain?

Back

Pink

Card 3

Front

What colour does Gram-positive cells stain?

Back

Preview of the front of card 3

Card 4

Front

How many outer membranes does Gram-positive cells have?

Back

Preview of the front of card 4

Card 5

Front

How many outer membranes does Gram-negative cells have?

Back

Preview of the front of card 5
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