Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevat

Question

3 years ago

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Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevat

ed 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)

Biology

1 answer:

Reika [66] · Answer 1 · 2021-11-24T09:41:07+03:00

Answer:

A selective and differential medium

Explanation:

A Selective and differential medium is utilized in isolating certain micro-organisms. The selective medium permits a certain type of microbe to grow, while inhibiting the growth of others. While, a Differential medium is used to differentiate the close-related organisms.