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: 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.

SOLUTION: Science

PROBLEM: This dynasty continued a system in which one month out of every five was given to military service by those who lived within 500 li of the capital; that was the Fubing system. A Buddhist savings bank stocked by donations was liquidated during this dynasty and was called the "Inexhaustible Treasury." Governors known as "jiedushi" first sprang up during this period under emperor (*) Xuanzong. A major insurrection during this dynasty ended after Shi Chaoyi killed himself. This dynasty was interrupted by the second Zhou dynasty when Ruizong announced that his mother, Wu Zetian, would be emperor. For 10 points, name this Chinese dynasty that lasted from 618 until 907 and faced the An Lushan rebellion.

SOLUTION: History

PROBLEM: In 1958 March and Simon formulated this law of Planning. A 1986 article by Rolnick and Weber gave empirical evidence that seemed to contradict this law. Akerlofs The Market for Lemons gives an incomplete analogy of this law to the market for automobiles. H.D. Macleod suggested that this law be named for a man who had noted the adverse effect of the Great Debasements. This law has its effect when two or more types of currency are in circulation in the same area and the value of one fluctuates, leading to hoarding of the stable currency. FTP name this economic law which, in simplest terms, states that bad money drives out the good.

SOLUTION:
Social Science