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  • Amylase Copy Number and Diet

    Amylase Copy Number and Diet

    Data Point

    A team of scientists investigated whether there is a correlation between the number of AMY1 gene copies and the type of diet (high-starch or low-starch) of a population.

  • Milk—How Sweet Is It?

    Milk—How Sweet Is It?

    Activity

    In this lab, students test different samples to see which ones contain the lactase enzyme. Also available in Spanish.

  • Measuring Obesity

    Measuring Obesity

    Click & Learn

    There is no way to directly measure how much fat a living person has. Learn about the various methods used by researchers and fitness advisors to estimate a person’s body fat.