the purpose is to determine diffrent kinds of bacteria based on their results.if it'sgram positive the color will be pink and if it is gram negative the color will be red.
The alcohol is a decolorizer. In gram negative organisms, the small amount of peptidoglycan can't hold onto the crystal violet in the presence of the alcohol and so becomes decolorized. The gram...
Gram staining is a simple staining test that simply identifies the two main groups of bacteria. Gram positive, and gram negative. Down a microscope, gram pos look like a dark blue/purple colour, and...
First to stain the organism. Gram stain differentiates organisms in to gram positive and gram negative. This will help the microbiologist to choose which media to use to grow them, have a clue what...