What is meant by Photosystem I and Photosystem II in the photosynthesis system? Explain fundamentally and thoroughly!?
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Photosystem I (PSI) and Photosystem II (PSII) are two crucial components of the photosynthesis system. PSII is responsible for the water-oxidizing and oxygen-evolving reactions, while PSI is involved in the electron transfer process. PSII has been found to have remained virtually unchanged for billions of years, indicating its early origin in the history of life . PSII is prone to photooxidative damage, but photosynthetic organisms have evolved a repair cycle to continuously replace the damaged proteins in PSII . The excited state dynamics of PSII-RC, the reaction center of PSII, have been a subject of debate, but recent studies have shed light on the character of the excitonic states and interplay between them . Understanding the fundamental mechanisms of PSI and PSII is crucial for unraveling the secrets of energy conversion in natural photosynthesis .
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Open access•Posted Content | Photosystem I and Photosystem II are two protein complexes involved in the process of photosynthesis. They work together to convert light energy into chemical energy by capturing photons and transferring electrons. |
14 Apr 2022 | Photosystem I and Photosystem II are pigment protein complexes involved in oxygenic photosynthesis. Photosystem II is prone to photooxidative damage and organisms have evolved a repair cycle to replace damaged proteins. |
16 Citations | Photosystem I (PSI) and Photosystem II (PSII) are enzymes involved in photosynthesis. PSII is responsible for sunlight absorption, water splitting, and oxygen release, while PSI is involved in electron transfer and ATP synthesis. |
| Photosystem I and Photosystem II are two components of the photosynthetic system. They are responsible for capturing light energy and converting it into chemical energy through a series of electron transfer reactions. | |
| Photosystem I and Photosystem II are two key components of the photosynthesis system. Photosystem II is responsible for water oxidation and oxygen evolution, while Photosystem I is involved in the production of energy-rich molecules. |
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