<prompt> In transitional phase of secretory stage:Ameloblasts undergo apoptosis25 of cells die during transitional phaseCell volume and organelle decreasesAll of the above  <response>: Transitional Phase of the Presecretory StageAmeloblasts undergo significant morphological changes.Height of cell reduces.Cell volume and organelle decreases.Ameloblasts undergo programmed cell death Apoptosis25 of cells die during during transitional phase. 