chlorophyll a molecule, structural chemical formula, ball-and-stick model, image chlorophyll

chlorophyll oxygenic photosynthesis photosynthetic pigment tetrapyrroles pigments molecule molecular structure chemical formula c55h72mgn4o5 isolated model science chemistry plant carbon biochemistry sun organic biomolecule dioxide vital bio botany flora leaf nature synthesis oxygen green cyclic respire utilization atom eco structural vegetable electron chain atomic ecology