Would you expect to overlay this medium with mineral oil

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Phenylalanine medium sometimes is prepared in broth form with a pH indicator similar to that used in Decarboxylase Medium so that increases in pH then can be detected by development of purple color. When testing an organism for the ability to deaminase phenylalanine, would you expect to overlay this medium with mineral oil? Why or Why not?

Reference no: EM13111110

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