Which Fluorescent Stain Would Be Useful for Distinguishing Between Dead

question 67

Multiple Choice

Which fluorescent stain would be useful for distinguishing between dead and living bacteria?

• A) acridine orange
• B) auramine
• C) rhodamine
• D) CTC

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Definitions:

Potassium Ions

Positively charged ions (K+) essential for various cellular processes, including nerve transmission, muscle contraction, and maintaining fluid balance within cells.

Ammonium Ions

Positively charged ions (NH4+) derived from ammonia, significant in the nitrogen cycle and plant nutrition.

Secretion

The method through which materials are generated and released from a cell, gland, or organ, serving a specific role within the organism or for the purpose of elimination.

Vasa Recta

A series of straight capillaries in the kidney that serve as a counter-current exchange mechanism, concentrating urine and conserving water.