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| Description: This type of streaking is called streaking for isolation. It is used to reduce the number of bacteria to a single cell. A single bacterium will multiply over and over again into a colony that is visible to the naked eye. This method is used to ensure a pure colony that we can work with and run tests on. If we try to run tests on a mixed colony, you would get mixed results and not be able to identify the species of bacteria you have. Picture Stats: Views: 995 Filesize: 434.65kB Height: 444 Width: 468 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18101 |