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.
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Question: Question: In which part of the cell is ribosomal RNA synthesized ?: 
 Options:  <0> Nucleolus <1> Ribosomes. <2> Vacuolas <3> Golgi apparatus. <4> Endoplasmic reticulum.

Answer: chemistry


Question: Question: A cyclic voltammetry: 
 Options:  <0> It is based on a stationary broadcasting regime. <1> It uses macroelectrodes as working electrodes. <2> He never needs a potentiostatic system. <3> It is always done in a non-agitated solution. <4> It uses a square wave potential format as an excitation system.

Answer: chemistry


Question: Question: All components of the respiratory chain: 
 Options:  <0> They pump protons. <1> They exchange electrons. <2> They are high molecular weight complexes. <3> They are membrane proteins. <4> They are soluble.

Answer:
pharmacology