5.A Nucleus
The nucleus is the distinguishing feature of the eukaryote. The word eukaryote comes from the Greek “eu” meaning “well”, and “karyos” meaning “kernell” or “nutted”. Together, eukaryote means “well nutted” or “true nucleus”, meaning all eukaryotes have a membrane-bound nucleus. This is as contrasted with prokaryotic cells that don’t have a membrane-bound nucleus.
5.A.1 Defining characteristics (membrane-bound nucleus, presence of organelles, mitotic division)
More info: http://learn.genetics.utah.edu/content/begin/cells/insideacell/
5.A.2 Nucleus (compartmentalization, storage of genetic information)
More info: http://biologica.concord.org/webtest1/Shout3d_cell_6_1_00/v2_frameset.htm
5.A.3 Nucleolus (location, function)
5.A.4 Nuclear envelope, nuclear pores
More info: http://faculty.uma.edu/SBaker/nucleus_endo.html
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