Mitochondrion structure. Mitochondria are the energy factories of the cells. The energy currency for the work that animals must do is the energy-rich molecule adenosine triphosphate (ATP).
Pink Roses. While overall, pink roses connote admiration, elegance and grace, each shade. has its own meaning. Light pink blooms symbolize sweetness and innocence, while deep pink blooms convey gratitude and appreciation.
In modern culture, yellow roses apparently represent joy, gladness, freedom and contentment. However, in Islamic folklore the meaning is really quite different. It is believed that the yellow rose is a symbol of deceit, treachery, and adultery. Obviously these are quite different interpretations of the same thing, which show the transitional nature of color symbolism and representation theory.