The indicator presence in blood agar media is?
Understand the Problem
The question is asking about the indicator present in blood agar media, specifically to identify which of the given options is correct regarding the type of indicator used.
Answer
None of the above.
The final answer is 'None of the above'.
Answer for screen readers
The final answer is 'None of the above'.
More Information
Blood agar does not require an external indicator for visualizing hemolytic activity, as the change is visible through the breakdown of red blood cells.
Tips
A common mistake is assuming blood agar functions like other differential media that require an additional indicator for color change.
Sources
- 1.19: Blood Agar - Biology LibreTexts - bio.libretexts.org
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