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1. describe what is meant by indicator organisms when testing a water sample.

2. What are the media to determine the presence of the indicator organisms?

3. What are the morphological and biochemical characteristics of theses indicator organisms?

4. Discuss the three major species of Staphlococcus. describe why one of them is more pathogenic compared to the other two species. Which factor determines the pathogeneisis of the organism?

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  • Category:- Biology
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