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]: proteins bind one end of these structures and help inhibit a process called "catastrophe. " These structures can have persistence lengths of 3-4 mm, which is several orders of magnitude higher than the average cellular diameter. These structures can be severed by katanin. Drugs such as paclitaxel stabilize these structures and prevent their depolymerization, where colchicine prevents its dimeric subunits from coming together. Shortening of these structure at the kinetochore ends of the spindle apparatus helps chromosomes walk towards poles during mitosis and meiosis. For 10 points, identify these structures which are components of the cytoskeleton and which are made of tubulin proteins.
[A]: Science

[Q]: Notable translators of it include Alexander Heidel, who rendered all the dirty passages into Latin, and John Gardner. The characters include Siduri "whose drinks refresh the soul" and Ninsun the title character's mother, who interprets many of this dreams. Often known by its first line "He who saw everything," in the latter part of the work the hero encounters talking scorpions who allow him to ascend Mount Mashu and a snake who steals the plant of eternal life which Utnapishtam had told him of. Earlier the hero slew Humbaba and the Bull of Heaven with his friend Enkidu. For 10 points - identify this Babylonian poem about a king of Uruk.
[A]: Social Science

[Q]: He wrote that "Poor Labour sweet in sleep was locked" in a poem addressed to "Poor naked wretches" that "bide the pelting of this pitiless storm," titled "A Winter Night. " The speaker of one of his poems asks God to destroy "glib tongu'd Aiken" on Judgement Day for laughing at him. In another of his poems, the title character sees "warlocks and witches in a dance" in Alloway Kirk. In addition to "Tam O'Shanter," he also wrote a poem comparing his love to "a red, red rose" and one addressed to a "cowrin, tim'rous beastie" that includes the line "the best-laid schemes o' mice and men / Gang aft agley. " FTP, name this Scottish poet of "To a Mouse" and "Auld Lang Syne. "
[A]:
Literature