Final answer:
In eukaryotic cells, the nuclear membrane separates the genetic material from the cytoplasm.
Explanation:
A nuclear membrane would be missing from a eukaryotic cell. Unlike prokaryotic cells, eukaryotic cells have a membrane-bound nucleus, but prokaryotic cells lack this feature. Eukaryotic cells have a true nucleus, with the genetic material enclosed by a nuclear membrane.
Learn more about Eukaryotic cell structures here:
https://brainly.com/question/29380678
