For 10 points, name this organelle that contains much of a cell's genetic material.
Cajal (kuh-HALL) bodies in this structure contain scaRNAs, which direct post-transcriptional modifications of another type of RNA unique to this structure. Transport into and out of this organelle is dependent on a GTPase called Ran. Importins and exportins move proteins across this organelle's membrane. A smaller organelle within this one is the site of ribosome (RYE-bo-some) production. This organelle is surrounded by a membrane known as its "envelope," which breaks down and disintegrates during prophase. For 10 points, name this organelle that contains much of a cell's genetic material.
Cajal (kuh-HALL) bodies in this structure contain scaRNAs, which direct post-transcriptional modifications of another type of RNA unique to this structure.
cell {nucleus}