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Z‐Scheme of e “Z‐scheme” describes the oxidation/reduction changes during the light reactions of e vertical axis in the figure represents the reduction potential of a particular species—the higher the position of a molecular species, the more negative its reduction potential, and the more easily it donates electrons.
The concept of the Z-scheme of oxygenic photosynthesis is in all the ever, its evolution is not. We focus here mainly on some of the history of its biophysical aspects. We have arbitrarily divided here the 1941-2016 period into three sub-periods: (a) Origin of the concept of two light reactions: first hinted at, in 1941, by James Franck and Karl Herzfeld; described and explained, in 1945, by Eugene Rabinowitch; and a clear hypothesis, given in 1956 by Rabinowitch, of the then ...
The Z-Scheme Diagram of Photosynthesis. Rajni e Electron Transport Pathway from Water (H2O) to NADP+ (the Nicotinamide Adenine Dinucleotide Phosphate, oxidized form). Many versions of the Z-scheme are available in the literature.This particular diagram was developed by Wilbert Veit and Govindjee, 2000, and can be also found at . Abbreviations used are (from left to the right of the diagram): Mn for a manganese complex containing 4 Mn atoms, bound to Photosystem II ...
Algae / Photosynthesis Electron Transport: The Z-Scheme The fate of the released electrons is determined by the sequential arrangement of all the components of PSII and PSI, which are connected by a pool of plastoquinones, the cytochrome b6f complex, and the soluble proteins cytochrome c6 and plastocyanin cooperating in series.
The Z-scheme is an energy diagram for electron transfer in the “light reactions” of plant applies equally well to photosynthesis by algae and e vertical energy scale shows each molecule’s ability to transfer an electron to (i.e., to reduce) the next one from left to right.
Evolution of the Z-scheme of photosynthesis: a ofessor wnload wnload Full PDF is paper. A short summary of this paper.
The Z-scheme of photosynthesis, which is based on the existence of two light reactions and two-pigment systems in the electron transport from water to NADP?, has been known for a long time (see Govindjee and Bjo¨rn 2012 for its evolution; a simple version of the Z-scheme is on Govindjee’s web site:
The electron transport chain of photosynthesis is often put in a diagram called the z-scheme, because the redox diagram from P680 to P700 resembles the letter e final product of PSII is plastoquinol, a mobile electron carrier in the astoquinol transfers the electron from PSII to the proton pump, cytochrome e ultimate electron donor of PSII is water.