Photosystem II electron flow requires bound bicarbonate.

indjee and van Rensen, 1993; Diner et al., 1991;. Blubaugh and Govindjee, 1988b), an effect on the donor side was advanced earlier by Stemler and.

A model demonstrat- ing the spatial relationships of photosystem I, photosystem II, and the light- harvesting complex in the chloroplast membrane is presented.

between the electron spin of Mn21 ion and the 13C nucleus is expressed as a function ..... Suwelack, D., W. P. Rothwell, and J. S. Waugh. 1980. Slow molecular.

activity. That the activ~ species is indeed HCOR has been recently shown. [4,15] by taking advantage of the pH dependence-of [CO2]/[HCO~ ratio at equilibrium.

Sep 19, 1975 - the Mnor water oxidation site in photosystem II (salicylaldoxime, dithizone ... The action of OP as a chelator of nonheme iron proteins in bacterial systems ..... salicylaldoxime inhibition between Y, and Y2 near the man-.

Abstract: The mechanism by which suspension medium ions regulate the rate of photoinduced electron transport across photosystem II was investigated with.

Dec 20, 1993 - 18 Yachandra, V., DeKose, V. J., Latimer, M. J., Mukerji,. I.. Sauer, K. and Klein, M. 1'. ... Jonathan H. A. Nugent, Peter 1. Bratt, Michael C. W.

(Model 555, Berkeley Nucleonics Corporation, USA) for a required time interval and then turned off, while another pulse from the signal generator triggered a.

Comparisons of ETR and radioisotope-derived photosynthetic parameters measured on optically thin .... synthetic rates in situ on the undisturbed biofilm.

May 25, 2010 - Photosynthesis is the major source of useful chemical energy in ... and electrons are usually not lost to alternative oxidizing path- ways, in vivo. ..... the Israel Ministry of Science, the Technion V.P.R. funds, the Israel-Mexico.