The reorganized structure of an eukaryotic cell passing through division. The nucleus has been dissolved and chromosomes are attached to the spindle by microtubules. (Genes V, p.1255)
A class of organisms composed of one or more cells containing a membrane-enclosed nucleus and organelles. This class constitutes one of three distinct evolutionary lineages (eubacteria, eukaryotes & archaea) of modern-day organisms. Includes all organisms except viruses and prokaryotes (mostly bacteria).