 The nucleus is an organelle found in eukaryotic cells . Inside its fully enclosed nuclear membrane , it contains the majority of the cell 's genetic material . This material is organized as DNA molecules , along with a variety of proteins , to form chromosomes . 
 The nucleus <a href='drop_aux' title='1'><mark>is</mark></a>an organelle found in eukaryotic cells . Inside its fully enclosed nuclear membrane , it <a href='uninflect' title='2'><mark>contains</mark></a> the majority of the cell <a href='null_genetive' title='3'><mark>'s</mark></a>genetic material . This material is organized as DNA molecules , along with a variety of proteins , to form chromosomes . 
The nucleus an organelle found in eukaryotic cells . Inside its fully enclosed nuclear membrane , it contain da majority of tdacell  genetic material . This material is organized as DNA molecules , along with a variety of proteins , to form chromosomes .