Since ATP production yields a fuel currency that is used by every process in the body, it is important to consider this in your dietary plan. There are a lot of supplements that are engineered with this particular concern in mind.
By this definition, stem cells are particularly important for plant growth, because virtually all tissues of the plant descend from small groups of stem cells located in their growing apices, within structures called the apical meristems (Sablowski 2004; Scheres 2007) (Figures 1 and 2).
stem cell n. An unspecialized cell that gives rise to a specific specialized cell, such as a blood cell. stem cell. An unspecialized cell found in fetuses, embryos, and some adult body tissues that has the potential to develop into specialized cells or divide into other stem cells.