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]: A namesake protein component of this structure is detected by Toll-like Receptor 5. Tg737, whose mutation causes polycystic kidney disease in mice, is responsible for transport within this structure, which is also dependent upon complexes of IFT proteins. Y. Pestis uses a structure homologous to these to inject virulence factors into host cytoplasm, known as the Type III secretory system. They have a P, L, and MS ring in gram-negative bacteria, and in all organisms their central body is called the axonene. In Eukaryotes, they contain a 9+2 set of microtubules around a central pair and use dyenin and ATP hydrolysis to power their whipping motion. Similar to cilia, for 10 points, name these projections used by cells to swim.
[A]: Science


[Q]: The oxidation of one of these compounds with a Jones reagent yields carboxylic acid, and they are the product of the reaction of a ketone with a Grignard reagent. Esters are formed via a reaction of carboxylic acid and this compound in a process named for Fischer. Consisting of a hydroxyl group bonded to a carbon atom, they are given the formula R-OH. For 10 points, name this class of compounds exemplified by methanol and ethanol, the latter of which is found in hand sanitizer and beer.
[A]: Science


[Q]: An early battle in this conflict resulted in the death of Henry Beaufort's father Edmond. Before this conflict, Elizabeth Woodville was supposedly Margaret of Anjou's Maid of Honor. This conflict included battles at Tewkesbery and Saint Albans, the latter of which was a victory for the "Kingmaker" Richard Neville. Another battle in this conflict resulted in the death of (*) Richard III and the beginning of Henry VII's Tudor dynasty. The Battle of Bosworth Field occurred in, for ten points, what series of wars between the Houses of Lancaster and York named after their red and white flower symbols
[A]:
History