Identifying bacteria. Laboratory technician performing an Analytical Profile Index (API) test. This is a method used to identify bacteria based on bio

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Identifying bacteria. Laboratory technician performing an Analytical Profile Index (API) test. This is a method used to identify bacteria based on biochemical reactions between the bacteria and various chemicals placed in the API wells. This produces a pattern of colour changes on the API strip which is a signature for that particular species of bacterium.

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