Chemistry, 10.03.2020 18:57 joelwilliamjoel
Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevated NaCl level. A yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the pH as a result and changing the color of a pH indicator chemical. This type of medium would be referred to as a(n
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Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus coloni...
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