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: The hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2) by phospholipase C generates the following second messengers: 
 Options:  <0> Inositol 1,4,5-trisphosphate and triacylglycerol. <1> Inositol 1,4, 5-trisphosphate and glycerol. <2> Inositol 1,4, 5-trisphosphate and diacylglycerol. <3> Inositol 4,5-bisphosphate and diacylglycerol. <4> Inositol 4,5-bisphosphate and glycerol.
chemistry

Question: Which of the following molecules has at least a 90º angle ?: 
 Options:  <0> H2O. <1> NH3. <2> CH4 <3> SF4. <4> BF3.
pharmacology

Question: A clathrate is: 
 Options:  <0> A type of covalent interaction. <1> The formation of a regular water network around non-polar molecules. <2> The formation of a regular network of water around polar molecules. <3> The structure of a lipid network around a protein. <4> A nucleoprotein complex.

chemistry

