TASK DEFINITION: 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.
PROBLEM: Question: Which of the following answers is correct regarding a tRNA? 
 Options:  <0> The tRNA has an anticodon that recognizes the template DNA. <1> The amino acid is attached to the 5'-end. <2> It contains a polyA tail at its 3 'end. <3> It may contain pseudouridin and inosine. <4> It serves as a gene for some viruses.

SOLUTION: chemistry

PROBLEM: Question: Point out the secondary prevention measure that has been shown to be effective in colon cancer: 
 Options:  <0> Facilitate the realization of fecal occult blood test every year or biennially and / or sigmoidoscopy or colonoscopy every 5 years in people with high risk. <1> Encourage the consumption of milk and other dairy products, fish and fruits. <2> Avoid the consumption of cooked meat very made or in direct contact with the fire. <3> Avoid the consumption of tobacco and the ingestion of alcohol. <4> All the previous answers are correct.

SOLUTION: nursery

PROBLEM: Question: In an electrochemical cell, the supporting electrolyte serves to: 
 Options:  <0> That the principle of electroneutrality in the dissolution is fulfilled. <1> That their ions are electrolized preferably in order to prevent the consumption of electroactive substance. <2> That in the cell there is transport by migration, in order to achieve greater sensitivity. <3> That the solution has an adequate electrical conductivity. <4> Encourage transport by diffusion of the electroactive substance.

SOLUTION:
chemistry