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Dependence of the electrochemical potential of oxidation of Mn II to Mn III on logarithm of bicarbonate concentration at different pH is considered. Slope values of the dependence are equal to −60, −120 and −180mV/logCHCO3 at pH6.20, 6.50 and 8.35 respectively, that corresponds to binding of one, two and three HCO3- ligands to Mn III . Extrapolation of these dependences to...
Purpose: The mechanizm of action of ANT-2p (2- (3- chloro -4- trifluoromethyl) aniline -3,5-dinitrothiophene) on PS-2 has been studied.Methods: PS-2 subchloroplast particles were prepared by the [ldquo ]BBY[rdquo ] procedure. The photoinduced changes of fluorescence (F v ) and rate of oxygen evolution were investigated.Results: ANT-2p suppress the photochemical reactions of PS-2. Inhibition...
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