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The minerals involved in water-splitting reaction during photosynthesis are ___________(a) Manganese and chloride(b) Magnesium and sulfur(c) Magnesium and potassium(d) Magnesium and phosphorusI got this question in semester exam.I'm obligated to ask this question of Cell Nutrients in portion An Overview of Biological Basics & Enzymes of Bioprocess Engineering

Answer»

The correct answer is (a) MANGANESE and chloride

The best I can explain: Water splitting is catalyzed by the oxygen-evolving complex (OEC) of protein complex photosystem II (PSII), producing dioxygen gas, protons and electrons. O (2) is released into the atmosphere, sustaining all aerobic life on earth; PRODUCT protons are released into the thylakoid lumen, augmenting a proton concentration GRADIENT across the MEMBRANE; and photo-energized electrons pass to the rest of the electron-transfer PATHWAY. The OEC contains four manganese ions, one calcium ion and (almost certainly) a chloride ion.



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