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  3. 1.what kind of medium is mannitol salts agar (msa)

1.what kind of medium is Mannitol Salts Agar (MSA) a) neither selective nor differential b)differential c)selective d)both selective and...

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Biology

1.what kind of medium is Mannitol Salts Agar (MSA)

a) neither selective nor differential

b)differential

c)selective

d)both selective and differential

2.which of the following is the best method to distinguishBacillus megaterium from Bacillus Subtilis?

a)use mannitol phenol red

b)streak a MacConkey plate

c)perform an endospore stain

d) perform a gram stain

Answer & Explanation Solved by verified expert
4.1 Ratings (671 Votes)
1 Mannitol salt agarMSA is a commonly used selective and differential growth medium in microbiology The high concentration of salt75 selects for the members of genus Staphylococcussince they can tolerate high saline levelsMost of normal skin microbiota are salt    See Answer
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