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 ...
This layer makes up 60-90% of the gram positive cell wall. Decolorizing the cell causes this thick cell wall to dehydrate and shrink, which closes the pores in the cell wall and prevents the stain from exiting the cell. At the end of the gram staining procedure, gram positive cells will be stained a purplish-blue color. Gram negative cells also take up crystal violet, and the iodine forms a crystal violet-iodine complex in the cells as it did in the gram positive cells.