This Test Determines If an Organism Is a Delayed Lactose $\beta$

question 12

Multiple Choice

This test determines if an organism is a delayed lactose fermenter.

• A) \(\beta\)-Galactosidase
• B) Dihydroxylase
• C) Nitrate
• D) o-nitrophenyl-\(\beta\)-D-galactopyranoside (ONPG) test

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