What is the best definition of a eukaryotic cell? has an internal structure consisting of a membrane–bound nucleus and membrane–bound organelles has an internal structure with the genetic material in the form of a nucleoid has an internal structure with no membrane–bound organelles
"The eukaryotic cell has a nuclear membrane that surrounds the nucleus, in which the well-defined chromosomes (bodies containing the hereditary material) are located" is what the internet suggests.