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 DNA Girasa is: 
 Options:  <0> A eukaryotic Topoisomerase I. <1> A eukaryotic Topoisomerase II <2> A prokaryotic Topoisomerase I <3> A prokaryotic Topoisomerase II. <4> A prokaryotic Helicasa.

Answer: chemistry


Question: Question: In the presence of a patient with suspected blistering pemphigoid, which of the following tests should we perform to confirm the diagnosis? 
 Options:  <0> Dermatoscopy. <1> Cultivation of the contents of a blister. <2> Skin biopsy for culture. <3> Skin biopsy for histological study and direct immunofluorescence. <4> Analytical with determination of antinuclear and anti DNA antibodies.

Answer: medicine


Question: Question: The molecules of the CD1 family (CD1a, CD1b, CD1c, CD1d and CD1e) are expressed in: 
 Options:  <0> All the cells of the organism. <1> Only in dendritic cells. <2> Only in macrophages. <3> Only in monocytes. <4> Some thymocytes, in dendritic cells, in monocytes and macrophages.

Answer:
pharmacology