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Chlorophyll

Chlorophyll gives leaves their green color and absorbs light that is used in photosynthesis.
Chlorophyll is found in high concentrations in chloroplasts of plant cells.
Absorption maxima of chlorophylls against the spectrum of white light.[source?]
SeaWiFS-derived average sea surface chlorophyll for the period 1998 to 2006.

Chlorophyll is a pigment that gives plants their green colour. Chlorophyll is a chemical in the chloroplasts of plants. It allows plants to absorb and use light. Energy from the light is used in photosynthesis to make glucose. This contains lots of stored energy which the plant needs to release. It does this through respiration. This energy is then used when the plant grows or repairs damage. Chlorophyll also makes the stem and leaf of the plant green.

Chlorophyll is a green pigment in almost all plants, algae, and cyanobacteria. It absorbs light most strongly in the blue portion of the electromagnetic spectrum, followed by the red portion. However, it is a poor absorber of green and near-green portions of the spectrum.[1] Chlorophyll was first isolated in 1817.[2]

  1. ↑ Speer, Brian R. (1997). "Photosynthetic pigments". UCMP Glossary (online). University of California Museum of Paleontology. Retrieved 2010-07-17.
  2. ↑ Delépine, Marcel [in French] (September 1951). "Joseph Pelletier and Joseph Caventou". Journal of Chemical Education. 28 (9): 454. Bibcode:1951JChEd..28..454D. doi:10.1021/ed028p454. ISSN 0021-9584.

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