response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stress cellular response to stimulus regulation of biological quality oxidation-reduction process response to stressresponse to stress cellular response to stimuluscellular response to stimulus regulation of biological qualityregulation of biological quality oxidation-reduction processoxidation-reduction process oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activity oxidoreductase activityoxidoreductase activity cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cellcell membranemembrane organelleorganelle