As they age, they stop being able to do quality control on proteins, causing the accumulation of damaged and potentially toxic nutrients, leading to excessive metabolic activity that could be fatal for them.
Conforme envejecen, pierden la capacidad  de controlar la calidad proteica, lo que causa la acumulación de nutrientes dañinos y potencialmente tóxicos, e induce una actividad metabólica  excesiva que podría resultarles letal.