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: ¿Cuál de las siguientes circunstancias NO define a un paciente con pluripatología crónica?

SOLUTION: Which of the following circumstances does NOT define a patient with chronic pathology?

PROBLEM: Es una molécula coestimuladora que se expresa en las células presentadoras de antígeno

SOLUTION: It is a costimulatory molecule that is expressed in the antigen-presenting cells

PROBLEM: En un análisis electrogravimétrico

SOLUTION:
In an electrogravimetric analysis