Biology, asked by tammnasharma12699, 5 months ago

what is the value of light harvesting complex 1st in photosystem 1

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Answered by challammaryoda

1

Answer:

Higher plants Photosystem I is composed of two moieties: the chlorophyll α/β-carotene core complex, binding the electron transfer components and the inner antenna and the peripheral antenna, LHCI. The latter is composed of at least 4 different Lhca proteins belonging to the Lhc protein family, binding Chl a, Chl b and several carotenoid species. It has been previously proposed that LHCI polypeptides are organised into two different heterodimers called LHCI-730 and LHCI-680 on the basis of their 77K fluorescence emission peaks (1), while 8 LHCI polipeptides could surround each core complex. In this study we have investigated the biochemical and spectroscopic properties of LHCI isolated by a new mild procedure.

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