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: In the translation of prokaryotes, the first tRNA:
Options: <0> It is introduced in site A. <1> Join a methylated amino acid. <2> It is accompanied by the IF2 factor. <3> It is paired with a UGA start codon. <4> Always join serina.

Answer: biology

Question: Question: The p-nitrobenzoic acid is:
Options: <0> Less acid than benzoic acid. <1> Less acid than p-methoxybenzoic acid. <2> More acid than benzoic acid and with lower pKa. <3> More acid than benzoic acid and with higher pKa. <4> Less acid than p-methoxybenzoic acid and with lower pKa.

Answer: pharmacology

Question: Question: Crohn's disease is an inflammatory process that is characterized by:
Options: <0> It affects the superficial mucosa of the colon. <1> It usually occurs with rectal bleeding. <2> The affectation is uniform, producing continuous injuries. <3> The colectomy cures the disease. <4> It affects any stretch of the gastrointestinal tract.

Answer:
nursery