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Three stages of mitosis in a human cell; chromosomes are stained blue.
@ Laura Trinkle-Mulcahy, Wellcome Images.

Prokaryotic and eukaryotic cells, mitosis, meiosis, cell cycle, membranes, organization and substructures

  • Cloning

    CloningSlide Set

    Who hasn't heard of "Dolly the Sheep?" So, what is cloning? Why is it important? Joseph G. Marx, PhD, provides answers these and other questions.

  • Stem Cells

    Stem CellsSlide Set

    Learn about the different kinds and functions of stem cells, and about the medical possibilities and controversies surrounding stem cell research.

  • The Structure of Cells

    The Structure of CellsSlide Set

    Each cell, whether prokaryotic or eukarotic, contains a structural, functional and biological purpose. Discover more about the structure of cells.