1) Both emb and macconkey agars are differential and selective for gram-negative enteric bacteria. Explain how those media are different.
2) If the staining of the respiratory secretion in the case file had been negetive for bacteria and posotive for fungi, what would be the likely Organism?
3) Would this medium still work (be selective for Staphylococcus aureus) if it did not have salt in it? why or why not?