instruction:
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.
question:
Question: The micro RNA (miRNA): 
 Options:  <0> They are coding RNAs. <1> They inhibit transcription. <2> They inhibit the translation. <3> Activate transcription. <4> Activate the translation.
answer:
chemistry


question:
Question: In a three-point test crossover study, a negative interference indicates that: 
 Options:  <0> More double crossings have occurred than expected. <1> There have been fewer double crossings than expected. <2> The match coefficient is less than 1. <3> A simple crossover decreases the likelihood of a double crossover occurring. <4> There have been fewer simple cross-links than expected.
answer:
biology


question:
Question: ATP synthase: 
 Options:  <0> It generates ATP by a mechanism of rotational catalysis. <1> It is found in the membrane of the endoplasmic reticulum. <2> It synthesizes ATP when electrons flow through it. <3> It presents an electron channel. <4> Consume ATP by hydrolysis coupled to electron transport.
answer:

biology