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.

Q: Question: In the receptor-mediated endocytosis intervenes: 
 Options:  <0> Only the clathrin. <1> Only the adaptin. <2> Adaptine and clathrin. <3> Chaperones <4> Only the proteins of the membrane.

A: biology
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Q: Question: They are fragments of the cytoplasm of a precursor cell: 
 Options:  <0> Lymphocytes <1> Megakaryocytes <2> Monocytes <3> Platelets. <4> Erythrocytes

A: biology
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Q: Question: Exposure to androgens in a sensitive or critical period, at the beginning of development, causes masculinization of the sexual and behavioral organs. This effect has received the name of: 
 Options:  <0> Motivational effect <1> Effect of pheromones. <2> Activating effect. <3> Organizer effect. <4> Biological effect

A:
psychology
****