Skunks, raccoons, dogs, and cats can also transmit the disease. Human rabies is rare in the United States. There have been only 55 cases diagnosed since 1990. However, between 16,000 and 39,000 people are treated each year for possible exposure to rabies after animal bites.
Acidic dye is defined as a negatively charged dye, which contains one or more acidic groups, such as a sulfo group. A basic dye, on the other hand, is a positively charged stain that is usually synthetic and reacts with negatively charged particles. Continue Reading.
simple staining. in the first exercise. In a simple stain a basic dye is added to a population of bacteria that has been fixed to the surface of a microscope slide such that all cells in the population take on the color of the dye used. In the second set of exercises you will be performing a. Gram stain.