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Chlorophyll, is it the only photosynthesis pigment?


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Chlorophyll, is it the only photosynthesis pigment?

Postby victor » Sun May 15, 2005 12:35 pm

As we know that the pigment that is used in the photosynthesis is chlorophyll, I wanna ask, is it the only pigment that is useful in photosynthesis? what about caroten, phycoerythrin, phycocyanin and the others?[/list]
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King Cobra
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Postby Poison » Sun May 15, 2005 3:03 pm

If there is no chlorophyll, no photosynthesis occurs. Other pigments absorb different wavelengths of light and gives it to chlorophyll.
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Postby MrMistery » Sun May 15, 2005 7:17 pm

There are 2 main types of chlorophyll: chlorophyll a(C55H72O5N4Mg) is esential for photosynthesis of every organism(plants, algae etc). No photosynthesis can occur in the absence of it. Chlorophyll b(C55H70O6N4Mg) is present in plants only and is there to help chlorophyll a. There are other types, not so important. But, as you seem to know already these pigments can not work by their own: different plants have other pigments too like carotens, xantofiles, phicobilinic pigments. So, NO, chlorophyll is not the only pigment used in photosynthesis

Photosynthetit bacteria have only one type of pigment: bacteriochlorophyll, but that is a different story...
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