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Lactase

Lactase splits the sugar in milk into smaller pieces. Many people stop making it after childhood and feel sick from milk.

Fun fact

A gene change about 7,000 years ago let some people keep lactase as adults.

Words to know

enzyme
lactose
gene
mutation

NGSS alignment

MS-LS3-2Genetic variation
MS-LS1-7Food, energy, and growth

Structure

Rendered in FoldLens Junior from AlphaFold Database entry P09848. See the underlying prediction at alphafold.ebi.ac.uk/entry/P09848.

About this surface

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