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by currenciessfe
1358 days ago
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Eneregy is conserved. If it "misses" the reaction center, it will hit something else like a stray bullet. > Non-photochemical quenching (NPQ) is a mechanism employed by plants and algae to protect themselves from the adverse effects of high light intensity. It involves the quenching of singlet excited state chlorophylls (Chl) via enhanced internal conversion to the ground state (non-radiative decay), thus harmlessly dissipating excess excitation energy as heat through molecular vibrations. NPQ occurs in almost all photosynthetic eukaryotes (algae and plants), and helps to regulate and protect photosynthesis in environments where light energy absorption exceeds the capacity for light utilization in photosynthesis.[1] https://en.m.wikipedia.org/wiki/Non-photochemical_quenching |
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