Photosynthesis oxidation reduction Difference Between Oxidation and Reduction

Photosynthesis oxidation reduction, external factors

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Almost half a century passed before the concept of chemical energy had developed sufficiently to permit the discovery in that light energy from the sun is stored as chemical energy in products formed during photosynthesis. The chemical structure of chlorophyll a molecule is shown in Fig.

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During the first stage, mba essay chasedream energy of light is absorbed and used to drive a series of electron transfers, resulting in the synthesis of ATP and the electron-donor-reduced nicotine adenine dinucleotide phosphate NADPH. Electron transfer from the cytochrome bf complex to photosystem I is mediated by a small Cu-protein, plastocyanin PC. This certainly occurs, but it leads nowhere since the hydrate is present in very small quantities at equilibrium for ketones and most aldehydes.

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