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  • A picture is worth a thousand words
    Browse over 40,000 high quality diagrams, illustrations, and photos. Use them in your presentations or lectures. You can also upload your own images here.
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  • Featured: Sketch of Euglena gracilis
    Sketch of Euglena gracilis

    Unlike the other groups discussed in this section, the euglenoids typically have several mitochondria.

  • Featured: The last captive quagga
    The last captive quagga

    This animal was photographed at the Regents Park Zoo in London is 1870.

  • Featured: Outline of Meiosis II
    Outline of Meiosis II

    Prophase II The chromosomes condense Spindle microtubules attach to each sister chromatid as the nuclear envelope breaks up Metaphase II The still duplicated chromosomes are aligned midway between poles of ...

  • Featured: Taste receptors in the human tongue
    Taste receptors in the human tongue

    Taste buds are clusters of receptor cells and supporting cells inside special epithelial papillae One type a circular papilla is shown in the section here The tongue has about taste ...
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