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lactase
[ lak-teys, -teyz ]
noun
, Biochemistry.
- an enzyme capable of hydrolyzing lactose into glucose and galactose.
lactase
/ ˈlækteɪs; -teɪz /
noun
- any of a group of enzymes that hydrolyse lactose to glucose and galactose
lactase
/ lăk′tās′ /
- An enzyme that is found in the small intestine, liver, and kidneys of mammals and catalyzes the breakdown of lactose into galactose and glucose.
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Word History and Origins
Origin of lactase1
C20: from lacto- + -ase
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Example Sentences
Dense populations, measured via the distribution of skeletal remains, also explained some of the pressure towards lactase persistence.
From Popular-Science
Only when famine and disease turned lactose into a liability did adults hang onto lactase, the key enzyme that breaks down the sugar.
From Popular-Science
Before that time, increasing levels of lactase persistence tended to align with population busts linked to famines in particular regions, the researchers report.
From Science News
No current proposal explains how lactase persistence spread, he says.
From Science News
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