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]: Earthworms uniquely use the molecule lombricine to react with this molecule. This molecule activates P2X3 and P2X2/3, two receptors that control pain responses, and in conjunction with luciferin this molecule is responsible for the light of fireflies. In the muscular tissue of chordates, this compound donates a group to creatine. In proteins, this molecule, first synthesized by Alexander Todd, is almost always bound by a magnesium cofactor, and large quantities of this molecule are produced via oxidative phosphorylation in the electron transport chain. For 10 points, name this molecule discovered by Karl Lohmann,, the energy currency of the cell.
[A]: Science

[Q]: depicted a basket of fruit level with a small raised chest and an urn in a painting that portrays a hunched writing man next to Mary and Jesus. He painted an amphora resting atop a column in the background of a scene in which an angel hustles the holy family down a road. This artist of The Holy Family on the Steps and a Flight into Egypt painted two men holding a massive bunch of grapes in a series which also includes depictions of the Flood and Ruth and Boaz. This artist of The Four Seasons painted two men carrying the body of the title Athenian statesman in one painting, and in another depicted an angel in a chariot holding a hoop above four women dancing with their backs turned to each other. He painted two versions of a work in which four shepherds inspect a stone tomb. For 10 points, name this foremost French classicist who painted Dance to the Music of Time and Et In Arcadia Ego.
[A]: Fine Arts

[Q]: This author warned "New Presbyter is but Old Priest writ large" in a sonnet criticizing the "New Forcers of Conscience. " He wrote Alas, how soon our sin / Sore doth begin / His infancy to seize in a poem about Christs circumcision, and asked lambs to Go home unfed in his lament for the death of Charles Diodati, Epitaphium Daimonis. The infant Jesus causes the Oracles to fall silent and forces pagan gods to troop to thinfernal jail in his poem On the Morning of Christs Nativity, while he wrote They also serve who only stand and wait in a sonnet considering how his light is spent. FTP, name this English poet of Samson Agonistes best known for Paradise Lost.
[A]:
Literature