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LACTOSE SCHMACTOSE


Milk

Tough crowd today. This afternoon’s experiment explored enzyme activity and lactose intolerance. We watched lactase in action and tested whether pH affects its ability to break down lactose. The students tested glucose levels in three samples (milk, milk + baking soda, and milk + vinegar) before and after adding the enzyme lactase. Turns out, lactose is broken down fastest under acidic conditions (like those in your stomach). But the kids were not enthused. (“Why do you care about enzymes? You study marine biology!”) They were much more interested in making mini volcanoes with the baking soda and vinegar. Maybe they’re future chemists. Or volcanologists.

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