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]: 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.
[A]: Science


[Q]: This man painted a satyr hanging from a tree with his panpipes, while in another of his works, cherubs sit atop a black cloud while Saint Peter sits below next to the Virgin Mary. This artist of The Flaying of Marsyas and The Pesaro Madonna painted (*) cheetahs drawing Bacchus's chariot as he leaps out to protect Ariadne. This artist painted Cupid reaching into a sarcophagus while a bride in white sits opposite Venus in his Sacred and Profane Love. His most famous work shows a dog sleeping on a white sheet beside the title goddess. For 10 points, what Renaissance artist depicted Venus lying on her side in Venus of Urbino
[A]: Fine Arts


[Q]: Alexander Calder's "La Grande Voile" was built primarily as a wind block to protect one of this man's buildings. This man used blocky geometric designs to imitate traditional Middle Eastern architecture in his work on Doha's Museum of Modern Art, and created a simple tent-like shape for his Luce Memorial Chapel. He designed the tallest five-sided building in the world, the monolithic JPMorgan Chase Tower in Houston, and assisted his son in the design for UCLA Medical Center. This designer of MIT's Green Building turned over to James Freed and Henry (*) Cobb much of the work on the recent NASCAR Hall of Fame building. This architect used deep setbacks and triangular bracings to protect the Bank of China Tower from Shanghai winds. One of his buildings includes a cantilevered theater over Lake Eerie and an orthogonal tower which rises next to one of his trademark features. That feature was also included by this architect as the entranceway to an underground portion of a famous museum. Noted for designing Clevleland's Rock and Roll Hall of Fame, FTP, name this creator of a glass pyramid at the Louvre, a prominent Chinese-American architect.
[A]:
Fine Arts