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.
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Question: This compound promotes the dephosphorylation and activation of enzyme HMG-CoA to favor cholesterol synthesis and a phenylalanine for leucine substitution at residue B25 results in its "Chicago" variety. Its biosynthesis involves an excision of the C-peptide, and the compound functions by binding to tyrosine kinase receptors on cell surfaces. Sanger's improvement upon the methods of Edman degradation involved its sequencing, and its production occurs primarily in beta cells on the islets of langerhans. For ten points, name this pancreatic counterpart of glucagon used to regulate blood sugar, deficiencies of which are found in sufferers of diabetes.

Answer: Science

Question: 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.

Answer: History

Question: The war named for this place was ended when Clazomenae and Cyprus were transferred to Persia through the Peace of Antalcidas, which was put forth by Artaxerxes II. A league named for this place was brought back into existence by Demetrius Poliorcetes, but it didn't have anything to do following the battle of Ipsus. This city joined the Achaean Confederation after being captured by Aratus in 243 BC, and was destroyed by Lucius Mummius in 146 to teach the Greeks a lesson. Its early rulers include Cypselus and Periander, though it is better known for the action it took against Megara which set off the Peloponnesian War. FTP, name this city on the isthmus joining the Peloponnesus and central Greece, whose citizens were the lucky recipients of a couple of epistles from Saint Paul.

Answer:
History