Answer: groups of chemical reactions
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Photosystems are functional and structural units of protein complexes involved in photosynthesis. Together they carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons. Photosystems are found in the thylakoid membranes of plants algae and cyanobacteria.
Photosystems are the functional units for photosynthesis defined by a particular pigment organization and association patterns whose work is the absorption and transfer of light energy which implies transfer of electrons. Physically photosystems are found in the thylakoid membranes.
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A photosystem is a protein complex a group of two or more proteins that is essential for the photochemistry of photosynthesis. In particular it carries out the absorption of light photons and...
Photosystem I (PSI or plastocyanin–ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae plants and cyanobacteria. Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin.
Each photosystem consists of a light-harvesting complex and a core complex. Each core complex contains a reaction centre with the pigment (either P 700 or P 680) that can be photochemically oxidized together with ...