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Medical Term:

ß-galactosidase

Pronunciation: ga-lak'to-sid'as

Definition: An enzyme that hydrolyzes the ß-galactoside linkage in lactose-producing glucose and galactose; also hydrolyzes the chromogenic substrate IPTG (isopropylthiogalactoside) and thus is used as an indicator of fused genes and gene expression.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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