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Lactose

Definition

Lactose is a disaccharide sugar derived from galactose and glucose that's found in milk.

Analogy

Consider lactose like siblings - one sibling being galactose and another being glucose. They come together to form lactose, which is like the family (milk) they belong to.

Related terms

Galactose: This is a monosaccharide sugar that's less sweet than glucose and fructose. It's a component of lactose.

Lactase: This is an enzyme that catalyzes the hydrolysis of lactose to glucose and galactose.

Dairy Products: These are food products made from milk. They're rich in lactose.

"Lactose" appears in:

Practice Questions (1)

  • A common operon discussed in prokaryotes which results in the breakdown of lactose is __.


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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.