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: 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.
[A]: chemistry


[Q]: Question: Thiamine pyrophosphate (PPT) is not coenzyme of: 
 Options:  <0> Pyruvate dehydrogenase (synthesis of acetyl CoA). <1> Alpha-ketoglutarate dehydrogenase (citric acid cycle). <2> Transketolase (pentose phosphate pathway). <3> Transaldolase (pentose phosphate route). <4> Pyruvate decarboxylase (ethanolic fermentation).
[A]: pharmacology


[Q]: Question: Indicate which of the following is a mitochondrial disease: 
 Options:  <0> α-thalassemia <1> Essential fructosuria. <2> Leigh syndrome. <3> Cushing's syndrome. <4> Sickle cell anemia
[A]:
pharmacology