instruction:
In this task, you are given a sentence in the English language. Your job is to translate the English sentence into the Spanish language.
question:
Which of the following factors does NOT modify the absorption ?
answer:
¿Cuál de los siguientes factores NO modifica la absorción?


question:
How many high-energy phosphates does the synthesis of a urea molecule require by a return of the urea cycle ?
answer:
¿Cuántos fosfatos de alta energía requiere la síntesis de una molécula de urea mediante una vuelta del ciclo de la urea?


question:
Which of the following methods would you use in the determination of organic nitrogen ?
answer:

¿Cuál de los métodos siguientes emplearía en la determinación de nitrógeno orgánico?