In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

[Q]: ¿Para qué sirve la técnica de la flecha descendente en la terapia cognitiva de la depresión?
[A]: What is the use of the descending arrow technique in the cognitive therapy of depression?


[Q]: Los glucocorticoides son hormonas que se sintetizan a partir de
[A]: Glucocorticoids are hormones that are synthesized from


[Q]: Las separaciones mediante electroferesis capilar de zona (CZE) se caracterizan porque el medio electroforético
[A]:
Separations by capillary zone electropheresis (CZE) are characterized in that the electrophoretic medium