Assume your microbe turned both the slant and the butt of the TSIA agar slant yellow. What other biochemical test could you use to determine whether your microbe ferments lactose, sucrose, or both?
Added by Milagros H.
Step 1
In this test, inoculate a tube of Phenol Red Broth with your microbe and incubate it. If the broth turns yellow, it indicates that your microbe ferments lactose. Show more…
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