Some schools even offer bilingual instruction, typically Spanish and English. But the concept of bilingual education has evolved through the ages, given the immigrant make up of the U.S. The following information covers the basic types of bilingual education and conflicts over how language is used in the classroom.
Gram staining is a type of differential staining in which two types of bacteria are differentiated on the basis of their cell wall either gram positive or gram negative althouâ¦gh all the steps in gram staining are crucial , the most important step the most crucial step in the performance of the Gram staining procedure is the decolorization step ...
The main purpose of the safranin counterstain in Gram Staining is to stain gram negative bacteria left over from not picking up the crystal violet dye that stains gram positiv â¦ e microorganisms. It allows the view and identification of gram negative bacteria.+ 12 others found this useful.Veena Hamill. Use of gram stain divide bacteria into two classes â¦ - gram positive which retain crystal violet stain purple colour, gram negative which lose their crystal violet and give pink colour.