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: This organ produces a tetrapeptide, which bonds to macrophage receptors, and is known as tuftsin. The sinusoids of one portion of this organ contain blood and a reserve of monocytes which can be utilized in the case of hemorrhagic shock. The other major portion of this organ contains Malphigian corpsules and synthesizes antibodies. Located in the abdominal region and consisting of red and white pulp, for 10 points, name this organ part of the lymphatic system that helps to filter and clean the blood.

Answer: Social Science


Question: proteins bind one end of these structures and help inhibit a process called "catastrophe. " These structures can have persistence lengths of 3-4 mm, which is several orders of magnitude higher than the average cellular diameter. These structures can be severed by katanin. Drugs such as paclitaxel stabilize these structures and prevent their depolymerization, where colchicine prevents its dimeric subunits from coming together. Shortening of these structure at the kinetochore ends of the spindle apparatus helps chromosomes walk towards poles during mitosis and meiosis. For 10 points, identify these structures which are components of the cytoskeleton and which are made of tubulin proteins.

Answer: Science


Question: His lesser victories included Lyginus where he defeated the Triballi and the Jaxartes where he defeated the Scythians. Among his less honorable acts were the destruction of Thebes and the slaying, in a fit of anger, of Cleitus the Black who saved his life at the Granicus. The commander of the companion cavalry at Chaeronea, his major victories came at the Hydaspes - against Porus - and Issus and Guagamela against Darius III. After his death, his generals Antigonus, Ptolemy, and Seleucus divided up his kingdom. FTP, name this Macedonian prince who conquered much of the known world before dying in his 30s.

Answer:
History