kromosoome, teatud valke (nt transkriptsioonifaktorid) ja RNA-d sisaldav eukarüootse raku osa, mis on eraldatud tsütoplasmast kaksikmembraaniga
Nucleus is a membrane-enclosed organelle found in eukaryotic cells. It contains most of the cell's genetic material, organized as multiple long linear DNA molecules in complex with a large variety of proteins, such as histones, to form chromosomes.