Economics of periodic enzyme activities
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Oxidation / reduction (cell model)
This model resembles the oxidation/reduction 1 model. It assumes that both NADH and biomass are produced from ethanol, and that oxidative phosphorylation inevitably produces reactive oxygen species (ROS); biomass and ROS are modelled as internal metabolites, which disappear by dilution.
| Forced oscillation without adaptation | Spontaneous rhythm |
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Squares: enzyme levels Circles: metabolite levels