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Lactose Digestion in Infants | HHMI BioInteractive Video

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[NARRATOR:] Like all young mammals,

human infants depend on milk for nutrition.

Milk is rich in lactose, a disaccharide made

from two sugar molecules.

Lactose cannot be directly absorbed in the small

intestine.

To digest lactose, mammals produce the enzyme lactase.

The lactose binds to the active site of the lactase enzyme.

The enzyme hydrolyzes lactose and produces two simple sugars,

glucose and galactose.

These sugars are then absorbed into the capillaries

of the small intestine and redistributed

to the rest of the body.

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YouTube Transcript:Lactose Digestion in Infants | HHMI BioInteractive Video

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YouTube Transcript:
Lactose Digestion in Infants | HHMI BioInteractive Video