Search Results

Showing 1-10 of 10 Resources
  • Fellowship of the Rings

    Fellowship of the Rings

    Image of the Week

    The nuclear pore is a complex of three rings of proteins that controls the passage of materials in and out of the nucleus.

  • To Brine, Or Not To Brine?

    To Brine, Or Not To Brine?

    Image of the Week

    Soaking your Thanksgiving turkey in a salt solution (brine) alters the arrangement of muscle fiber protein molecules.

  • Coloring the Past

    Coloring the Past

    Image of the Week

    An electron micrograph of tightly-packed melanosomes in a 55.4-million-year-old fossil bird feather unearthed in Denmark.

  • 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.

  • What Makes Flowers Red?

    What Makes Flowers Red?

    Image of the Week

    The petals of flowers get their vibrant colors from cells packed with pigments such as orange carotenoids and pink anthocyanins.

  • What Is Fat?

    What Is Fat?


    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".)

  • Molecular Structure of Fat

    Molecular Structure of Fat

    Click & Learn

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

  • 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


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

  • Diffusion Across Membranes

    Diffusion Across Membranes


    (4 sec) This animation describes two different ways by which chemicals migrate through membranes: passive diffusion and active transport.