3 - Why E.coli colony found red brick on Macconkey agar plates ?

CHIRAG DESAI
1y

Bacteria that ferment lactose cause the pH of the Edoardo to drop and result change on pH which is detected by neutral Ted, which is red in colour at pH of around 6.8 or 6.9, results neutral getting a...read more

Shruti Bhatnagar
1y

The selective action of this medium is attributed to crystal violet and bile salts, which are inhibitory to most species of gram-positive bacteria. Sodium chloride maintains the osmotic balance in the...read more

Shruti Bhatnagar
1y

MacConkey agar is used for the isolation of gram-negative enteric bacteria and the differentiation of lactose fermenting from lactose non-fermenting gram-negative bacteria.

Used of MacConkey agar :-

  1. Mac...read more

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