Equilibrium Constants and Photosynthetic Enhancement | Zendy

James M. Pickett | Zendy

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Equilibrium Constants and Photosynthetic Enhancement

Author(s) -

James M. Pickett

Publication year - 1972

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.50.3.396

Subject(s) - constant (computer programming) , equilibrium constant , wavelength , photosynthesis , thermodynamics , chemistry , thermodynamic equilibrium , physics , optics , biochemistry , computer science , programming language

The linear (Myers) and nonlinear (Joliot-Kok) models of photosynthesis were used to predict enhancement. With an apparent equilibrium constant of 1000 between the two light reactions, both models predict a minimal enhancement of about 1.0. However, with an equilibrium constant of 5, both models predict a minimal enhancement significantly greater than 1.0. Consequently, with an equilibrium constant of 5, neither model can account for the observed enhancement values of 1.0 near 685 nanometers in Chlorella. Also, with an equilibrium constant of 5, enhancement significantly greater than 1.0 is predicted between two short wavelengths or between two long wavelengths; neither is observed.

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