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(Solved): The mixture included \( E \). coli, Salmonella, and Staphylococcus aureus. S. aureus can ferment l ...
The mixture included \( E \). coli, Salmonella, and Staphylococcus aureus. S. aureus can ferment lactose, but would not be expected as colonies on the plate above, as opposed to E. coli and Salmonella. Explain. [2 marks]
Expert Answer
Lactose-intolerant organisms will produce uncolore