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  • Methods in Microbiology (GATE - XL)
  • Which of the following ingredients in mannitol salt agar ...
Multiple choice

Which of the following ingredients in mannitol salt agar makes it selective for Staphylococci?

  1. Mannitol

  2. Sodium chloride

  3. Phenol red

  4. Beef extract

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

MSA contains a high concentration (~7.5%-10%) of salt (NaCl).

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