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 completion of the translation:
Options: <0> It takes place in AUG codons. <1> It is produced by incorporation of an empty tRNA. <2> It occurs when the ribosome reaches the end of the mRNA. <3> It does not consume energy. <4> It is mediated by proteins with structure similar to tRNA.

Answer: biology

Question: Question: In the treatment with progestogens, a significant number of adverse effects occur. Of those listed below, the most serious is:
Options: <0> Liver failure. <1> Thromboembolic disease. <2> Respiratory insufficiency. <3> Depression. <4> Heart failure.

Answer:
nursery