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: Kinesin and dynein are:
Options: <0> Adhesion proteins. <1> Microtubular motors. <2> Degradative enzymes <3> Components of the vesicular cover. <4> Transcriptional factors.

A: biology
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Q: Question: Immediately after the herpes virus decapsidation takes place:
Options: <0> Synthesis of an own RNA polymerase. <1> Circularization of its genome. <2> Lysis of the endosome. <3> Transcription of the viral DNA polymerase. <4> Synthesis of a protein that inhibits the replication of the host cell.

A: biology
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Q: Question: Metformin is recommended as initial treatment in most consensus of treatment of type 2 diabetes, for efficacy, safety and price; However, its use has some limitations and it is obligatory to suspend it in some clinical situations. In which of the following situations would you NOT consider stopping this treatment?
Options: <0> Introduction of long-acting insulin analogue due to poor metabolic control. <1> Alcohol intake greater than 50 g / day as usual. <2> CT scan with intravenous contrast. <3> Diarrheic picture with elevated plasma Cr at 2.5 mg / dL. <4> Acute ischemia of the lower extremities with significant tissue hypoxia.

A:
medicine
****