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Whose discovery first showed that mammals use a specialized protein to digest lactose in milk?
Quick Answer
Biochemists identified lactase as the key enzyme. It is produced in the small intestine and breaks lactose into glucose and galactose.
The Full Story
Lactase is the enzyme that allows mammals, especially infants, to digest lactose in milk. Biochemical research identified how this enzyme is produced in the small intestine and how lactase persistence in some human populations allows adults to digest milk sugar. The study of lactase became important in nutrition, genetics, and evolution. It is one of the clearest examples of how a mammalian dietary adaptation can vary among populations.
Key Facts
1.Lactase breaks down lactose
2.It is produced in the small intestine
3.Some human populations retain lactase activity into adulthood
YouTube Angle
Suggested video title for this topic:
"The enzyme that makes milk digestible"
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