What does the cell nucleus do or, how does it function?

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.

True is ur answer : )

While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.