The artificial cell nucleus (right) constructed using the purified DNA was morphologically very similar to the natural cell nucleus derived from an egg (left).

How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus ... Part of the problem lies in the fact that electron microscopy is perhaps the best way to visualize ...

The Olympus LV200 microscope (Fig. 1) has enabled cellular-level analysis of a structure in the hypothalamus of the mammalian brain, called the suprachiasmatic nucleus (SCN). The SCN contains a ...