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: In the synthesis of DNA, the quinolones act:
Options: <0> Joining the double helix and thus blocking the progress of the replication fork. <1> Interlacing in the double helix and thus causing errors in the transcription. <2> On DNA gyrase. <3> As nucleotide analogs that are incorporated into DNA. <4> About DNA polymerases.

Answer: biology

Question: Question: What kind of memory can we use to plan what we have to do to arrive on time for an appointment next Tuesday?
Options: <0> Prospective report. <1> Autobiographical memory <2> Episodic memory. <3> Semantic memory <4> Procedural memory.

Answer: psychology

Question: Question: A medicine produced and guaranteed by a pharmacist, or under his direction, dispensed in his pharmacy or pharmacy service, listed and described by the National Form, and intended for direct delivery to the sick to whom such pharmacy or pharmaceutical service supplies is:
Options: <0> Master formula <1> Prepared office. <2> Prefabricated medication <3> Intermediate product. <4> Medical device.

Answer:
pharmacology