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: When it interacts with ryanodine receptors, this element upregulates its own release, and this compound forms the cell plates of coccolithophores. Stimulation of Gq ("g-sub-q") opens a channel that allows for this ion's movement, and proteins that bind this ion have an EF hand motif. Cellular concentrations of this ion are regulated by IP3. Parafollicular cells of the (*) thyroid produce a compound that reduces the concentration of this ion in blood, and its intestinal absorption requires vitamin D. This ion interacts with Troponin to stimulate muscle contraction, and the lumens of sarcoplasmic reticula have high concentrations of this ion. For 10 points, name this divalent cation that is stored in bones.

Answer: Science


Question: This ruler established a code which mandated that pavilions be owned by only one family and ordered the execution of the Duke of Biron partially for conspiring with Savoy, which was forced to surrender Bresse to him by the Treaty of Lyons. His other less known diplomacy includes sending the Duke of Mercoeur to sign the Peace of Vervins. His mistresses included Gabrielle dEstre, and he won major military victories at Arques and Ivry. His main advisor Maximilien de Bethune, the Duke of Sully, reformed the paulette and he was succeeded by his son by Marie de Medici, Louis XIII. FTP, name this French king who declared that Paris was worth a mass and signed the Edict of Nantes as the first Bourbon.

Answer: History


Question: This composer created a ballet inspired by Nosferatu about a sorcerer who resurrects zombies solely for his own enjoyment. Another piece by this composer of Grohg has its melody derived from the song "Bonyparte." The fourth movement of his third symphony is a reworking of another of his works for brass and percussion. Another of his works uses "Camptown Races" and features narration from the Gettysburg Address. This composer of "Fanfare for the Common Man" and Lincoln Portrait included the Shaker tune "Simple Gifts" in his most famous work, a ballet choreographed by Martha Graham. For 10 points, name this composer of Rodeo and Appalachian Spring.

Answer:
Fine Arts