The result of the staining bacteria are associated with the structure and composition of the cell wall in gram negative they have fat cell wall over the island Gram-positive cell wall layers and also thinner with. In the process, when the clear stain with alcohol will dissolve the grease to make holes in the cell wall that open wider. Allow large molecules of the Crystal Violet color – iodine complex come off so the color red. Zafran (Safranin). But in the Gram-positive cell wall, which has less fat and is flashing of cell wall-less elements. When wash with alcohol will cause the cells to wither due to water loss. The cell membrane is small, smaller, A big molecular compounds of color additives? Make the cell remains purple color with dye, and when new, so it is not visible zafran stick red.
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