University of Wyoming6y
Summary of Biochemical Tests
This is a test commonly used when trying ... Because the same pH indicator (phenol red) is also used in these fermentation tubes, the same results are considered positive (e.g. a lactose broth tube ...
University of Wyoming2y
Summary of Biochemical Tests
This is a test commonly used when trying ... Because the same pH indicator (phenol red) is also used in these fermentation tubes, the same results are considered positive (e.g. a lactose broth tube ...