TASK DEFINITION: In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.
PROBLEM: Un aumento de ACTH estimula la síntesis y liberación de

SOLUTION: An increase in ACTH stimulates the synthesis and release of

PROBLEM: El virión de los retrovirus

SOLUTION: The virion of retroviruses

PROBLEM: La molécula de SO2 es

SOLUTION:
The SO2 molecule is