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).
There are many different variations of pink, from a pale blush to a gentle medium pink to a vibrant pink, each having its own meaning and implication. The palest pink roses are a sign of gentleness, joy and grace. Bridal Pink is a perfect pale pink floribunda rose that is long lasting and offers a spicy scent.
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?