The lacZ gene is commonly used as a reporter gene, because its substrate lactose is well known and easily measured.

Name: The lacZ gene is commonly used as a reporter gene, because its substrate lactose is well known and easily measured.
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Question

Quizplus · Accepted Answer

The lacZ gene is commonly used as a reporter gene because it encodes the enzyme β-galactosidase, which can cleave X-gal, a synthetic substrate, producing a blue color that is easily measured, not because its natural substrate is lactose.

The LacZ Gene Is Commonly Used as a Reporter Gene