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: The thromboxanes: 
 Options:  <0> They induce platelet aggregation. <1> They inhibit platelet aggregation. <2> They act as bronchodilators in the respiratory system. <3> They are produced in the membranes of all cells. <4> They are derived from saturated fatty acids.

A: chemistry
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Q: Question: The use of microorganisms to transform contaminants present in the environment into non-toxic products is called: 
 Options:  <0> Biodeterioration. <1> Bioremediation. <2> Bioleaching. <3> Bioconversion <4> Biosensor

A: pharmacology
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Q: Question: In response to an increase in the concentration of adrenaline and circulating glucagon: 
 Options:  <0> It activates the phosphorylation of glycogen phosphorylase and the degradation of glycogen. <1> It increases the intracellular concentration of cAMP, and therefore, the synthesis of glycogen. <2> It decreases the intracellular concentration of cAMP and the degradation of glycogen. <3> The phosphorylation of glycogen synthase and glycogen synthesis is activated. <4> Increases the intracellular concentration of ATP and glycogenesis.

A:
pharmacology
****