Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Curated OER
Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.
Curated OER
Lactose & Lactase
Students examine the characteristics of lactose and lactase. In this enzyme lesson students study the lactose in milk and its rate of dissolution.
Curated OER
Milk Makes Me Sick
High schoolers experiment with lactase to find out how milk sugar is broken down in the body. In this enzyme lesson plan, students use glucose strips to investigate the breakdown of lactose into glucose and galactose for milk digestion...
Curated OER
Enzyme Action
Students work with models of substrates and of enzymes and test the digestion of lactose with lactase. They determine if digestion of lactose has or has not occurred.
Aetna Intelihealth
Aetna: Inteli Health: Lactose Intolerance
Thorough overview of lactose intolerance. Includes information on symptoms, prevention, treatment, and much more.
Science Buddies
Science Buddies: I Love Ice Cream, but It Doesn't Love Me: Lactose Intolerance
Pizza, milk shakes, and ice cream sundaes all contain dairy products, therefore they cannot be eaten by the majority of people around the world. Dairy products contain the sugar molecule lactose, and the majority of people on the planet...
Curated OER
Kids Health: Lactose Intolerance
Have you ever eaten ice cream then started feeling really yucky? Kids with lactose intolerance have trouble digesting a type of sugar found in milk and other dairy foods. Learn what this condition is and how you can learn to live with it.