Flagellum is a locomotory appendage responsible formotility of most motile bacteria of certain taxonomic groups. It can be observed under electron microscopy, or coated with stain until it is thick enough to be seen under light microscope. Examining the number and location of bacteria flagella is a popular method for identifying bacteria.
1. Solution A ( Fuchsin )
2. Solution B ( Tannic acid )
3. Solution C ( Potassium Alum )