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Which Test Determines If an Organism Is a Delayed Lactose-Fermenter

Question 28

Multiple Choice

Which test determines if an organism is a delayed lactose-fermenter?

A) b-Galactosidase
B) Dihydroxylase
C) Nitrate
D) Ortho-nitrophenyl-b-D-galactopyranoside (ONPG) test

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