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.

Coombs tests detect these bodies bound to erythrocytes, and a technique that uses these entities is ELISA. These molecules have a namesake fold, in which two beta sheets are held together by amino acid charges. These adaptable molecules can somatically recombine in a process called V(D)J recombination and are also capable of changing isotype by altering conformation of their heavy chains. Like enzymes, they operate via a a so-called "lock-and-key" mechanism, as verified by Linus Pauling. FTP, name these characteristically y-shaped immune molecules exploited in vaccination and produced by B cells in response to specific antigens.
Science

artist was inspired to found a movement in his correspondences with Eva Watson-Schutze. In one exhibition of his work, he claimed "I am an American. . . the search for truth is my obsession. " He executed a series of abstract, subject-free works called Equivalents. One of his works shows a narrow gangway that separates an upper deck of men from a lower deck of women and children on a boat. This artist of The Steerage and founder of the journal Camera Work also depicted a certain woman holding her hands to her face and clutching a cattle skull in many photos. For 10 points, name this Photo Secession founder who took many pictures of his wife, Georgia O'Keeffe.
Fine Arts

This author reminisced about his home life in the essay collections Nuptials and The Wrong Side and the Right Side. Early in his career, he organized the avant-garde Thtre de l'equipe and wrote plays like The Misunderstanding, while later plays include State of Siege and The Just Assassins. He contrasted moral rebellion with political rebellion in his essay The Rebel. FTP, who was this French-Algerian author of the novels The Plague and The Stranger

Social Science

