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.

Q: Imetelstat, a potential new cancer therapy agent, works by targeting the enzyme that repairs these   structures. Blackburn, Greider, and Szostak received the 2009 Nobel Prize for determining the role of  these structures, which typically adopt a G-quadruplex shape. The shortening of these structures   explains the Hayflick limit to cell division and is the basis for the cellular theory of aging, and that  shortening of these structures can lead to cell senescence or apoptosis. Consisting of thousands of  TTAGGG repeats in humans, name these end sequences of chromosomes that prevent genes from  being lost during DNA replication.

A: Science
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Q: Coombs tests detect these bodies bound to erythrocytes, and a technique that uses these entities is ELISA. These molecules have a namesake fold, in which two beta sheets are held together by amino acid charges. These adaptable molecules can somatically recombine in a process called V(D)J recombination and are also capable of changing isotype by altering conformation of their heavy chains. Like enzymes, they operate via a a so-called "lock-and-key" mechanism, as verified by Linus Pauling. FTP, name these characteristically y-shaped immune molecules exploited in vaccination and produced by B cells in response to specific antigens.

A: Science
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Q: One work by this person features a desolate landscape with a needle-based top supporting a humanoid, blood-colored lattice with hands and green hair, while another has a hand in a black pyramid attached by strings to a yellow crescent and a creature consisting of two joined waist-down human forms. In addition to the aforementioned Ubu Imperator and to Men Shall Know Nothing of This, this artists works include a painting of himself, Paul luard, and Andr Breton witnessing the Virgin chastising Jesus; Piet or Revolution by Night; and Une Semaine de Bont, a book of collages made of encyclopedias. This author of the treatise Beyond Painting started the Cologne school of Dada. For ten points, identify this former husband of Peggy Guggenheim, a German Surrealist who discovered and utilized artistic techniques like grattage and frottage.

A:
Fine Arts
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