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.

[EX Q]: The Hoecht stain binds to the minor groove of this molecule, forming G-quadruplexes. The ratio of nitrogen isotopes in this molecule, which exists in A, B, and Z forms, was measured in the Meselson-Stahl experiment to give evidence for its semiconservative replication. It winds around proteins called histones, and Okazaki fragments are formed when its namesake enzyme travels from the 5-prime to 3-prime direction of this molecule adding nucleotides. For 10 points, name this molecule that carries the genetic information of living organisms.
[EX A]: Science

[EX Q]: The future Byzantine Emporer Romanus II was at one time betrothed to his niece Hedwig, and his son married Theophano, who was either the daughter of the same Romanus II or the niece of John Tzimices. The son of Henry I, Duke of Saxony, he defeated the Magyars at the Battle of Lech in 955 and was crowned Holy Roman Emperor in 962. For ten points, name this founder of the dynasty that bears his name.
[EX A]: History

[EX Q]: This woman's works for children are translated into English in Crickets and Frogs: A Fable. She was a village schoolteacher, and donated the proceeds of her work Tala to the relief of Basque children orphaned in the Spanish Civil War. Scarred by an affair with a railway employee who committed suicide, her works include Desolacin, Ternura, and Sonetos de la muerte. FTP, name this author, born Lucila Godoy Y Alcayaga, the 1945 Nobel Prize winner in Literature from Chile.
[EX A]:
Literature