High School

Chromogen for the enzyme Gal (beta-galactosidase) is:

A. X-gal
B. Y-gal
C. Z-gal
D. A-gal

Answer :

Final answer:

The correct answer is a) X-gal. X-gal is a chromogenic substrate that is used to detect the activity of the enzyme Gal (beta-galactosidase). When Gal acts on X-gal, it cleaves off the galactose portion of the molecule, resulting in the formation of a blue colored product.

Explanation:

The correct answer is a) X-gal.

X-gal is a chromogenic substrate that is used to detect the activity of the enzyme Gal (beta-galactosidase).

When Gal acts on X-gal, it cleaves off the galactose portion of the molecule, resulting in the formation of a blue colored product. This allows researchers to identify cells or organisms that contain active Gal enzyme.

Learn more about Gal (beta-galactosidase) and X-gal here:

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