11. These acidified test solutions generally have a pH of 3.1 to 3.3 12. :: It has a free amino group which is just begging to be acidified . 13. As an example, a yeast vacuole is normally acidified by proton transporters on the membrane. 14. Insertion of the PA Greek key motifs into the membrane occurs when the heptamer is acidified . 15. Freezing the skeleton did not remove moisture, and the skeleton would be acidified several months later. 16. Modified soy protein is a soy protein in a solution which is then acidified using hydrochloric acid. 17. Apart from a few acidified meadows they had no land, and therefore almost never held cattle. 18. Lake Choctaw has been described as " once-dead, [ and ] totally acidified ". 19. A wide and deep acidified summit crater lake at Chiginagak formed after November 2004 and before May 2005. 20. (3 ) Copper is easily plated via acidified copper sulphate solution ( ~ 50g / l ).