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Is the culture medium: Phenyl ethyl Alcohol ( PEA) Selective Differential Bacteria Gram stain Growth Changes in the culture medium or...

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Question

Biology

Is the culture medium: Phenyl ethyl Alcohol ( PEA)

  1. Selective
  2. Differential

Bacteria

Gram stain

Growth

Changes in the culture medium or bacteria

Escherichia coli

Negative

no

Pseudomonas fluorescens

negative

no

Enterobacter aerogenes

negative

no

Alcaligenes faecalis

Negative

no

Micrococcus luteus

Negative

yes

No changes

Staphylococcus epidermidis

positive

yes

No changes

Enterococcus faecalis

positive

Yes

No changes

Bacillus cereus

positive

Yes

No changes

  1. Only 1
  2. Only 2
  3. Both 1 and 2
  4. Neither 1 or 2

Syprogyra is ________.

  1. A eukaryotic organism
  2. Multicellular

  1. Only 1
  2. Only 2
  3. Both 1 or 2
  4. Neither 1 or 2

How Does escheria coli grow in a nutrient broth?

  1. Turbid: finely dispersed growth throughout the broth
  2. Sediment: granular substance at the bottom of the broth

  1. Only 1
  2. Only 2
  3. Both 1 and 2
  4. Neither 1 or 2

Answer & Explanation Solved by verified expert
4.0 Ratings (690 Votes)
1 Only 1 Selective medium The chart given shows that only the Gram positive organism grow in the given culture medium while inhibiting the gram negative bacteria Hence it is a selective media for Gram positive bacteria A    See Answer
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