Consider a Culture Medium on Which Only Gram-Positive Organisms Such

question 19

Multiple Choice

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)

• A)selective medium.
• B)differential medium.
• C)enrichment culture.
• D)selective and differential medium.
• E)differential and enrichment culture.

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Definitions:

Friendships

Relationships based on mutual trust, affection, and support between two or more people.

Close

To shut something or bring to an end; it can also refer to the physical proximity or the relationship closeness between individuals.

Ambivalent

Having mixed feelings or contradictory ideas about something or someone.

Adult Children

Individuals who are legally adults but may be dependent on their parents emotionally or financially, often in the context of discussing familial relationships.