That's correct! DNA molecules are primarily found in the nucleus of eukaryotic cells.

Here's why:

* The nucleus is the control center of the cell: It contains the genetic information that directs the cell's activities.

* DNA is the blueprint of life: It holds the instructions for building and maintaining the organism.

* Protection: The nucleus provides a safe and organized environment for the delicate DNA molecules.

While the majority of DNA is in the nucleus, there are small amounts of DNA found in other organelles like mitochondria.