Genes / Proteins | Definitions | Models | Developmental Models | General Concepts | Contribute/Corrections | Links | Protocols | Home   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z nucleus   Definition: Search for:     Glossary - word Glossary - def Textbooks Protocols Images Tools Forum PubMed Links Press Releases   Biology Glossary search by EverythingBio.com           1. The membrane bound organelle containing the genome of eukaryotes organized into chromosomes. 2. The center portion of an atom which contains the protons and neutrons.         A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z    Genes / Proteins  |  Definitions  |  Models  |  Developmental Models  |  General Concepts  |  Contribute/Corrections  |  Links  |  Protocols  |  Home Website created and maintained by: Mark Lefers and the Holmgren Lab last updated: July 26, 2004