Accessory pigments, proteins, chlorophyll pigments, and a reaction center chlorophyll are the components of a photosystem.
A photosystem is an integral part of the photosynthesis process and also serves as a structural and functional unit of complexes.
They bring about the paramount process of photosynthesis such as photochemistry.
Photosystems are present in the thylakoid membranes of algae, plants, and cyanobacteria.
Moreover, they also help out in the shift of energy and electrons and in the assimilation of light.
To put it simply, photosystems are composed of peculiar pigments whose function is to absorb light and transfer electrons and energy respectively.
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