In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Irregularly shaped compartments of this organelle which change in response to cellular metabolic activity are called paraspeckles, and promyelocytic leukemia bodies are often found in this organelle. The biogenesis of snRNPs ["snurps"] is thought to be regulated by this organelle's (*) Cajal bodies, and it can be visualized through Hoechst and DAPI staining. Movement in and out of these organelles is regulated by RAN proteins at its namesake pores, and this organelle is not found in erythrocytes. This organelle is surrounded by a namesake "envelope" which is continuous with rough ER, and it is the site of transcription. For ten points, name this organelle only found in eukaryotes which contains the nucleolus as well as the genetic material of the cell.
Science

An author from this country wrote about The Maniac, who impersonates a judge in Accidental Death of an Anarchist. Another author from this country wrote of a boy who steals a Nazi's gun in The Path to the Nest of Spiders. Another writer from this country wrote about interruptions to a production of a play by characters such as the Father and the Mother in Six Characters in Search of an Author. A series of one hundred tales is told in another work from this country called The Decameron. Identify this country, the home of Dario Fo, Italo Calvino, Luigi Pirandello, and Boccaccio [boh-KAHT-choh].
Literature

One work by this artist shows a bonnet-wearing woman carrying a butcher knife to the left of the artist's sister Katherine. Gertrude Kasebier and Clarence H. White joined an art movement led by this artist, which was created as a response to England's The Link Ring. Ten of his works called "Music" evolved into his series of abstract cloud depictions called (*) Equivalents. Horses pull a trolley labeled "Harlem" in his photograph The Terminal. In Camera Work, he frequently published the works of Edward Steichen, a man who co-founded New York's Gallery 291 with him. For 10 points, name this Photo-Secession photographer of The Steerage, the husband of Georgia O'Keeffe.
Fine Arts