How Do the ONPG and MUG Test Detect Microorganisms in Water

question 10

Multiple Choice

How do the ONPG and MUG test detect microorganisms in water

• A)color is changed by enzymes secreted by coliform bacteria
• B)gas production in cultures of lactose broth
• C)observing dark colonies of coliform organisms on EMB-lactose agar
• D)colonies forming on surface of a sterile absorbent pad

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