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.

The Hoecht stain binds to the minor groove of this molecule, forming G-quadruplexes. The ratio of nitrogen isotopes in this molecule, which exists in A, B, and Z forms, was measured in the Meselson-Stahl experiment to give evidence for its semiconservative replication. It winds around proteins called histones, and Okazaki fragments are formed when its namesake enzyme travels from the 5-prime to 3-prime direction of this molecule adding nucleotides. For 10 points, name this molecule that carries the genetic information of living organisms.
Science

In one painting with this name, a man in red with his hand extended behind his back heads toward the main figure, who is collapsed on the ground; that painting is by James Barry. On the left side of this painting, a red-clad runner approaches the scene waving his hat in his left hand and holding a flag in his right. The two rightmost people in this painting both look at the title figure with their hands (*) clasped. The figures in this painting are depicted wearing contemporary clothing, despite Joshua Reynolds' insistence that the artist dress them in classical clothing. A native American in a pose similar to The Thinker is looking at the title figure of this painting. For 10 points, name this painting of the final moments of a British general by Benjamin West.
Fine Arts

The premiere of this piece in a theater prompted a critical letter from "Philalethes" to be published in the  Universal Spectator. This piece's first section is a grave sinfonia that repeats a dotted quarter - eighth motif; that section is followed by two recitatives for tenor. This piece is separated into three parts, the second of which concludes with a section that repeats, "for ever and ever." The instrumental (*) Pifa section begins the fourth of twelve "scenes" in this work. The text of this work, which includes "Ev'ry valley shall be exalted," was collected by Charles Jennens from the Book of Common Prayer and the King James Bible. For 10 points, name this oratorio by Handel, which includes the "Hallelujah" chorus.

Fine Arts