grew, they were able to tell whether the bacteria were gram-negative, gram-positive, a lactose-fermenter, and specifically what species of bacteria. At first, they concluded with these results that the first water fountain had flora Diphtheroids, Pseudomonas, and Staphylococcus species. The first hand sanitizer had Diphtheroids species and so did the second one except Staphylococcus was added. With only a preliminary reading, the scientist wanted to go further in the testing to identify specifically…
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