The process of making RNA from DNA, known as transcription, occurs in the nucleus of the cell.

Here's why:

* DNA is located in the nucleus: DNA, the genetic blueprint of the cell, is housed within the nucleus, a membrane-bound organelle.

* RNA polymerase is found in the nucleus: The enzyme responsible for transcription, RNA polymerase, is also located in the nucleus.

* RNA is transcribed in the nucleus: RNA polymerase uses DNA as a template to synthesize RNA molecules. This process happens within the nucleus.

Once transcribed, the RNA molecules (specifically messenger RNA or mRNA) will then move out of the nucleus and into the cytoplasm for the next step, translation, where proteins are made.