Task: Text Categorization
Input (English): This structure was transplanted by Robert Briggs and Thomas King into a frog cell. The dye DAPI is used to stain this structure, which contains Cajal [kah-HAHL] bodies. Importins and exportins move molecules into and out of this structure, respectively. Intermediate filaments known as lamins line the inner surface of this structure, which is surrounded by a double membrane. One of its substructures includes a granular component and is a site of ribosome production. For 10 points, name this structure that contains DNA organized into chromosomes.
Output (English): Science