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]: ¿Cuál de las siguientes sustancias químicas es considerada el carcinógeno individual más letal?
[A]: Which of the following chemicals is considered the most lethal individual carcinogen?


[Q]: ¿Qué sistema de transporte utilizan las células foliculares del tiroides para captar yoduro a través de su polo basal?
[A]: What transport system do thyroid follicular cells use to capture iodide through its basal pole ?


[Q]: Sobre la síntesis de proteínas es correcto afirmar que
[A]:
On the synthesis of proteins it is correct to affirm that