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.
Most of us know or relate to meaning of rose colors. Red means love, Pink means I like you and Yellow means friendship. We never associate orchids and their color meaning. Orchids are more symbolic. For example, during the Victorian Era, it was custom to give an exotic and rare flower to show your love and affection.