A specimen stained with rose bengal appears red, suggesting the stain is of what nature? A) A negative stain. B) A basic positive stain. C) A neutral stain. D) An acidic positive s... A specimen stained with rose bengal appears red, suggesting the stain is of what nature? A) A negative stain. B) A basic positive stain. C) A neutral stain. D) An acidic positive stain.
Understand the Problem
The question is asking about the nature of the stain used on a specimen that appears red when stained with rose bengal. The options given provide different classifications of staining techniques, and the user needs to identify which classification corresponds to a red appearance.
Answer
An acidic positive stain.
The stain is an acidic positive stain.
Answer for screen readers
The stain is an acidic positive stain.
More Information
Rose bengal is categorized as an acidic stain because it possesses negatively charged groups, making it likely to interact with positively charged components in cells.
Tips
A common mistake is to confuse acidic and basic stains based on the color alone. It's important to identify the chemical nature of the dye.
Sources
- 1.9: Simple Stain - Biology LibreTexts - bio.libretexts.org
- Culture Media Much of the study of microbiology depends on the... - jsscacs.edu.in
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