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  • How We Get Our Skin Color Interactive

    How We Get Our Skin Color Interactive

    Interactive Video

    (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.

  • How We Get Our Skin Color

    How We Get Our Skin Color

    Animation

    (3 min 32 sec) This engaging animation shows how human skin cells produce the pigment melanin, which gives skin its color. 

  • Autism and the Structure and Function of Synapses

    Autism and the Structure and Function of Synapses

    Animation

    (2 min 3 sec) Genes associated with autism affect the structure and function of neuronal synapses.

  • Dengue Virus Enters a Cell

    Dengue Virus Enters a Cell

    Animation

    (1 min 33 sec) Infection begins when the dengue virus uses receptors on an immune cell's surface to gain entry and release its genome.

  • HIV life cycle

    HIV life cycle

    Animation

    (4 min 52 sec) How HIV infects a cell and replicates itself using reverse transcriptase and the host's cellular machinery.

  • The Proteasome and Protein Regulation

    The Proteasome and Protein Regulation

    Click & Learn

    Learn about the structure and function of this fascinating cellular machine.

  • The Proteasome

    The Proteasome

    Animation

    (1 min 44 sec) A 3D animation showing how proteins in the cell are tagged for disposal and degraded by the proteasome.