TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: Science

PROBLEM: Several of his early works, including such operas as Cleonice, Demofoonte, and Artaserse, were written with librettist Pietro Metastasio. He had begun composing an opera based on the Song of Roland, but the discovery that Niccolo Piccini was given the same libretto to work on sparked a rivalry in the Parisian press and motivated him to compose Armide. Collaboration with the librettist Calzabigi resulted in the composition of the ballets Semiramide and Don Juan, as well as an opera featuring the "Dance of the Blessed Spirits" and another in whose preface he declared his intent to "restrict music to its true office of serving poetry. " FTP, identify this German classical composer of "reform" operas such as Alceste and Orfeo et Euridice.

SOLUTION: Fine Arts

PROBLEM: At the age of twenty-three, he wrote a biography in the form of a letter to a physician, explaining why he turned to scholarship. In a biography that came after A Kind of History of My Life, he described the initial success of his Political Discourses. Also in that later biography, My Own Life, this thinker mentions a trip to France, where he wrote a three-part work that did not receive the approval of Joseph Butler. His ideas were criticized in Essays on the Intellectual Powers of Man, written by Thomas Reid. His most famous work, which attacked the self-love theory, contained sections including "Of the Reason of Animals" and "Of Miracles," and awoke Kant from his "dogmatic slumber. " FTP, name this Scottish philosopher and author of An Enquiry Concerning Human Understanding.

SOLUTION:
Social Science