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  • How We Get Our Skin Color Interactive

    How We Get Our Skin Color Interactive

    Interactive Videos

    (3 min 32 sec) This interactive animation about the biology of skin color provides stop points at which students can further explore the material through additional text and illustrations, videos, questions, and simple interactive widgets.

  • Lactose Intolerance: Fact or Fiction

    Lactose Intolerance: Fact or Fiction

    Activities

    Students evaluate and discuss several statements about lactose intolerance and evolution before and after watching the film. Also available in Spanish.

  • Got Lactase? Blood Glucose Data Analysis

    Got Lactase? Blood Glucose Data Analysis

    Activities

    Students interpret the results of two different tests for lactase persistence.

  • Lactose Digestion in Infants

    Lactose Digestion in Infants

    Animations

    (53 sec) The lactase enzyme is produced in the small intestine of infants. It digests lactose by breaking it into glucose and galactose.

  • Diet and the Evolution of Salivary Amylase

    Diet and the Evolution of Salivary Amylase

    Activities

    Students explore the effects of different diets on the evolution of an enzyme that breaks down starch. Also available in Spanish.

  • What Is Fat?

    What Is Fat?

    Posters

    The poster from the 2004 Holiday Lectures on Science, The Science of Fat. See how fat is stored and metabolized. (This poster is designed to printed at a maximum size of 29.5" x 23.5".)

  • How The Body Uses Fat

    How The Body Uses Fat

    Click & Learn

    This slide show explores some of the ways the body processes fat, including digestion, transport, conversion, and energy extraction.

  • Molecular Structure of Fat

    Molecular Structure of Fat

    Click & Learn

    This slide show delves into the various molecular shapes that fat can take.

  • PPAR-gamma Activation in the Fat Cell

    PPAR-gamma Activation in the Fat Cell

    Animations

    (2 min 49 sec) The PPAR-gamma receptor activates certain genes in a fat cell, resulting in the storage of fat and changes in hormone levels.

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