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photosystem
(redirected from photosystems)

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photosystem [ˈfəʊtəʊˌsɪstəm]
n
(Life Sciences & Allied Applications / Botany) Botany either of two pigment-containing systems, photosystem I or II, in which the light-dependent chemical reactions of photosynthesis occur in the chloroplasts of plants


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Researchers exploit the known characteristics of Photosystems I and II, which convert light energy into chemical energy, to detect any changes in the process of photosynthesis.
Inactivation of photosystems I and II in response to osmotic stress in Synechococcus.
Anderson of the Commonwealth Scientific and Industrial Organisation in Canberra, Australia, observed that the relative amounts of photosystems I and II in pea plants change in response to incoming light whose wavelengths match the absorbance of one or the other photosystem.
 
 
 
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