The Scout Report last profiled the Cells Alive website a number of years ago, and since then a number of new features have been added. The site was created by scientist Jim Sullivan, and it includes images, animations, and descriptions that tell about the function of various cells. On the site visitors can browse through three main sections: "Contents", "Interactive", and "Galleries". In the "Immunology" section, visitors can check out "Allergy and Mites", "Making Antibodies", and even take a quick quiz to test what they have learned so far. Moving on, the "Interactive" area features cell models, puzzles, and visual demonstrations of mitosis and meiosis. Visitors won't want to miss the "How Big is a?" animation which offers a comparison of the relative sizes of cells and organisms sitting on a pinhead. The site is rounded out by a set of galleries that show the dynamics of bacterial growth and apoptosis, which is the natural phenomenon when a cell commits suicide.
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