Tight junctions (blue dots) between cells are connected areas of the plasma membrane that stitch cells together. Adherens junctions (red dots) join the actin filaments of neighboring cells together.

Yet, there is remarkable diversity in the way different organisms carry out ... including the most common type of cell division – mitosis. Most animal cells undergo 'open' mitosis, in which ...

If cells are removed from the embryo they will differentiate into any cell type. These are called embryonic stem cells. Some stem cells remain in the bodies of adults as adult stem cells.

Quiescent stem cells (d) through asymmetric division probably give rise to more ... All these progeny cells have defined positions in the different organs. To maintain its function and continue ...

About 100 cells divide every second in our body. A key protein in cell division is a protein kinase termed Plk1, because it ...

Embryonic stem cells can differentiate into a wider range of cell types, but are difficult to obtain and their use raises ethical challenges. The best source is the five-day-old embryo. Adult stem ...