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 tetracyclines act on the:
Options: <0> DNA polymerase <1> Transpeptidation of the peptidoglycan in the wall. <2> RNA polymeres <3> 30S subunit of the ribosome. <4> DNA gyrase.
biology

Question: Separations by capillary zone electropheresis (CZE) are characterized in that the electrophoretic medium:
Options: <0> It is always formed by 1.0 M HCl. <1> It is always formed by NH3 1.0 M. <2> It is homogeneous throughout the capillary. <3> It is not homogeneous throughout the capillary. <4> It has a pH gradient throughout the entire capillary.
chemistry

Question: To assess social development in childhood and adolescence, what factors influence the selection of suitable procedures?
Options: <0> The availability of instruments that allow obtaining valid and reliable measures in this area. <1> The age of the child and his / her linguistic expression skills. <2> The nature of the behavior or ability to be evaluated, the level of development and the form of manifestation of the behavior, individually or in a group. <3> The skills and experience of the evaluator with the procedures and evaluation techniques commonly used in this area. <4> Access to standardized tests according to age, sex and special conditions.
psychology