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  • Interactive Exploration of How We Get Our Skin Color

    Interactive Exploration of How We Get Our Skin Color

    Interactive Videos

    (3 min 32 sec) The added information provided at pause points within the animation How We Get Our Skin Color allows for a richer exploration of the topic of human skin structure and function.

  • Lactose Intolerance: Fact or Fiction

    Lactose Intolerance: Fact or Fiction

    Lessons

    In this activity, students evaluate and discuss statements about the evolutionary relationship between milk consumption and lactose tolerance discussed in the short film Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture.

  • Blood Glucose Data Analysis

    Blood Glucose Data Analysis

    Lessons

    This activity extends concepts covered in the film Got Lactase? The Co-evolution of Genes and Culture. Students infer whether someone is likely to be lactase persistent or nonpersistent based on the data from two different tests.

  • Lactose Digestion in Infants

    Lactose Digestion in Infants

    Animations

    (53 sec) This animation shows how human infants can digest milk using the enzyme lactase.

  • Diet and the Evolution of Salivary Amylase

    Diet and the Evolution of Salivary Amylase

    Lessons

    This activity engages students in analyzing authentic scientific data that explore the effects of different diets on the evolution of an enzyme that breaks down starch.

  • Cellular Differentiation Along Concentration Gradients

    Cellular Differentiation Along Concentration Gradients

    Animations

    (2 min 4 sec) This animation shows how varying concentrations of a signaling molecule activate different transcription factors to determine cell fate.

  • Treating HIV Infection with a Reverse Transcriptase Inhibitor

    Treating HIV Infection with a Reverse Transcriptase Inhibitor

    Animations

    (1 min 46 sec) This animation shows how a medication called AZT, which is a reverse transcriptase inhibitor, can be used to treat HIV/AIDS.

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