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: Brodsky and Berman determined this chemical's structure, which includes a sheath of stabilizing ordered water molecules. Due its dearth of cysteine residues, cross-linking of occurs near the N- and C-termini between lysine and histidine residues with the aid of lysyl oxidase. Ascorbate is dietarily necessary because it is needed by the enzyme prolyl hydroxylase, which forms one of this molecule's prevalent residues. Consisting of over thirty distinct chains assembled into at least nineteen different varieties, the most common residue sequence is glycine-proline-hydroxyproline. FTP, name this triple-helical protein, the most abundant in vertebrates, that provides tensile strength in tissues like tendon, teeth, and bone.
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Science