Master the Mannitol Salt Agar
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Questions and Answers

Which agar is selective for Gram-positive halotolerant bacteria?

  • Nutrient agar (NA)
  • Mannitol salt agar (MSA) (correct)
  • Eosin methylene blue (EMB)
  • None of the above
  • Which agar is differential based on color changes if mannitol sugar is fermented?

  • Nutrient agar (NA)
  • Mannitol salt agar (MSA) (correct)
  • Eosin methylene blue (EMB)
  • None of the above
  • Which agar contains eosin and methylene blue and is selective for Gram-negative bacteria?

  • Nutrient agar (NA)
  • Mannitol salt agar (MSA)
  • Eosin methylene blue (EMB) (correct)
  • None of the above
  • Which agar differentiates Gram-negative lactose fermenters from Gram-negative non-fermenters based on colony color?

    <p>Eosin methylene blue (EMB)</p> Signup and view all the answers

    Which agar is not selective or differential?

    <p>Nutrient agar (NA)</p> Signup and view all the answers

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