Gram stain

 

This allows almost all bacterial species to be classified into four different categories as follows

 
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Gram positive cocci

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Gram negative cocci

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Gram positive baciilli

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Gram negative bacilli

Gram positive organism are stained by Gram iodine and gentian voilet blue, while negative stains red.

 


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Creator: Oluwole Ogunranti

          

 


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