However, vesicles containing pteridine and carotenoids are sometimes found in the same cell, in which case the overall colour depends on the ratio of red and yellow pigments.
Porén, as vesículas que conteñen pteridinas e os carotenoides ás veces encóntranse dentro da mesma célula, e nese caso a cor global depende da proporción de pigmentos vermellos e amarelos.