Enzyme Activity Guided-Inquiry Lab Turnip Peroxidase – submitted by Flinn Scientific Canada

Peroxidase enzymes are widely distributed in plants and animals, including bacteria, to protect cells against the effects of oxidative stress and cell damage due to hydrogen peroxide. Peroxidases are easily extracted from turnips and other root vegetables and provide a model enzyme for studying enzyme activity—how the rate of an enzyme-catalyzed reaction depends on biotic and abiotic factors. Enzyme activity studies reflect enzyme structure and function and provide the foundation for understanding the mechanism or theory of enzyme action.

Click here for the complete lab 

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Fun Experiments To Do In Cold Weather | IFLScience

January 8, 2015 | by Lisa Winter, photo credit: ThomasVogel

Tired of being trapped inside all day during the winter, but building snowmen or making snow angels is getting to be a little too much of “been there, done that?” Continue reading