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: On the molecular biology of cancer: 
 Options:  <0> Oncogenes are mutated derivatives of normal genes, called protooncogenes, whose function is to promote cell proliferation or survival. <1> Oncogenes are genes that synthesize proteins that inhibit cell proliferation. <2> The tumor suppressor genes synthesize proteins that inhibit cell death. <3> Protooncogenes synthesize proteins that promote cell death. <4> Apoptosis is a form of activation of proto-oncogenes.

Answer: chemistry


Question: Question: The binding of O2 to hemoglobin: 
 Options:  <0> Follow a hyperbolic kinetics. <1> It favors the transition from Fe2 + to Fe3 + in the heme group of the protein. <2> Induces the deprotonation of the protein. <3> It is facilitated in the presence of 2,3bisphosphoglycerate. <4> It is carried out through a covalent interaction with Fe3 +.

Answer: pharmacology


Question: Question: According to practically all of the nursing literature, which is considered the first secular school of regulated nurse training in the world: 
 Options:  <0> The Kaiserwerth Institute of Nursing Education. <1> The school of nurses of the Saint Thomas Hospital in London. <2> The Catalina de Siena Foundation for the teaching of nursing. <3> Royal School of Nurses of Saint Elizabeth of Hungary. <4> Civil Institution of the Nursing Sisters of La Merced.

Answer:
nursery