name a cell which does not have well defined nuclear region? Share with your friends Share 1 Jason answered this a prokaryotic cell does not have a well defined nuclear region 7 View Full Answer Ayushi Sharma answered this Prokaryotic CellEg - Bacteria and blue-green algae 3 Divyanshu Singh answered this Prokaryotic cellFor 3D view go to http://cbse.meritnation.com/cbse-science-science/the-fundamental-unit-of-life/8/117/studymaterials.html the click on cell in the side list and then click on bacterial cell . 0 Rachana Verma answered this of course! it is the prokaryotic cell only. 0