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.
A red rose connotes love, a pink one chaste love. But do you know the meaning of other rose colors given on Valentine's Day and other occasions?