Detailed Instructions: 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 well-known method for their production utitlizes a cyanide nucleophile. They react with reducing sugars in the Maillard reaction, and their phi-psi torsion angles are shown on a Ramachandran plot. One of these is the namesake of a zipper that forms an alpha-helix conformation, and accumulation of one example of this group causes phenylketonuria. These compounds are created in the Strecker synthesis and a carboxyl and their namesake group are found in the twenty most common ones, which are linked by peptide bonds. FTP, name this type of compound that makes up proteins.
A:
Science