chlorophyll is needed for photosynthesis why
Chlorophyll is the molecule that absorbs sunlight and uses its energy to synthesise carbohydrates from CO 2 and water. This process is known as photosynthesis and is the basis for sustaining the life processes of all plants.hlorophyll is the molecule that traps this 'most elusive of all powers' - and is called a photoreceptor. It is found in the chloroplasts of green plants, and is what makes green plants, green. The basic structure of a chlorophyll molecule is a porphyrin ring, co-ordinated to a central atom.