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EMB
Micro lab exam
5
Biology
Undergraduate 4
10/12/2011

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Term
EMB (Eosin methylene blue agar)
Definition
It contains lactose, salt, and 2 dyes that inhibit growth of Gram (+) bacteria. 
Term
What type of media is EMB?
Definition
Differential media 
Term
What bacteria will lactose ferment on EMB and what color will the colonies be?
Definition
  • E. coli and it will create a green dark sheen colonies
  • strong lactose fermenters
Term
What bacteria will grow on EMB and is a non-lactose fermenter? what color is the colony?
Definition
  • P. vulgaris  and S. enterditis and it will be colorless
  • non- lactose fermenters
Term
What bacteria will not grow on EMB?
Definition
S. aureus, and S. epidermidis
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