View How To Identify Bacteria In The Laboratory PNG. In most cases, identifying bacteria is done through a process of elimination to narrow down choices until you get to the right one. Why identify a bacteria ?

Observing bacteria in a petri dish.
For example, a sputum sample will be treated to identify organisms that cause pneumonia. This uses a gene that is part of the ribosome that is universally found in every living thing and is specific for them thus allowing for identification. Isolating a single bacterium species is the first step in identifying the bacteria possibly responsible for a disease process. Coli is also often used in laboratory research since it reproduces quickly and is hardy.
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