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: In mass spectrometry, the most common fragmentation pattern is the break in α, which cleaves the alkyl bond adjacent to the carbonyl to give: 
 Options:  <0> The corresponding acyl cation and an alkyl radical. <1> The corresponding acyl anion and an alkyl radical. <2> The corresponding acyl radical and an alkyl radical. <3> The corresponding acyl cation and an alkyl cation. <4> The corresponding acyl anion and an alkyl anion.

SOLUTION: chemistry

PROBLEM: Question: In an animal species, the value of the elimination rate constant of a drug with linear pharmacokinetic behavior depends on: 
 Options:  <0> The route of administration. <1> The dose of drug administered. <2> The percentage of administered dose that arrives unaltered to the general circulation. <3> The speed at which the drug reaches systemic circulation. <4> The distribution and elimination of the drug.

SOLUTION: pharmacology

PROBLEM: Question: Which of the following compounds provides nitrogen atoms to the purine and pyrimidine rings? 
 Options:  <0> Aspartate <1> Carbamoyl phosphate. <2> Carbon dioxide. <3> Glutamine <4> Tetrahydrofolate.

SOLUTION:
chemistry