Chlorophyll is an organic molecule.
The basic organic molecule is composed of carbon and hydrogen.
More complex organic compounds contain carbon, hydrogen, and other elements such as oxygen and nitrogen.
A chelate is an organic compound with a central metal ion.
Chlorophyll is one of the most important chelates in nature. In the diagram, the metal in the center is magnesium.
Chlorophyll gives plants their green color.
Chlorophyll captures light energy.
The light energy absorbed by chlorophyll transforms carbon dioxide and water into carbohydrates and oxygen. This process is called PHOTOSYNTHESIS.
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