In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
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Question: Question: The binding of an allosteric activator to an allosteric enzyme typically results in:
Options: <0> Decrease the Vmax. <1> The transition to a less soluble state. <2> Decrease the Km by its substrate. <3> The transition to hyperbolic kinetics. <4> The dissociation of its subunits.

Answer: chemistry

Question: Question: The chemistry of diazonium salts provides the main synthetic method for preparing aryl fluorides by a process called:
Options: <0> Reorganization of Claisen. <1> Gabriel's reaction. <2> Diazotization reaction. <3> Sandmeyer reaction. <4> Schiemann reaction.

Answer: chemistry

Question: Question: Which procedure is NOT part of the cognitive-behavioral intervention program for body dysmorphic disorder of Rosen et al ?:
Options: <0> Psychoeducation <1> Exposition. <2> Training in problem solving. <3> Cognitive restructuring. <4> Response prevention.

Answer:
psychology