What are cells with a delimited nucleus called ? What are the main elements of the nucleus?
Cells with delimited nucleus are known as eukaryotic cells. Organisms composed of one or more eukaryotic cells are known as eukaryotes.
The mains parts of the nucleus are the chromatin (made of DNA molecules), the nucleolus, the karyolymph, or nucleoplasm, and the nuclear membrane (or karyotheca).