active site / chemical cofactor / end-product / cellular energy harvest / Low energy / energy level / carry energy / free energy / food 2e / chemical intermediates / electron transport chain / food molecules / biological systems / amino groups / supply high-energy electrons / phosphate / energy-laden chemical bonds / energy currency / chemical energy / use energy / food sources / gas tank / acetyl groups / food / energy / high-energy phosphate / energy-yielding process / stored energy / energy-rich molecules / high-energy electrons / electron carrier / considerable energy / energy-rich substrate molecule / energy yield / radiant energy / potential energy / energy-rich pyruvate molecules / net energy yield / Energy harvest / electrons energy / energy metabolism / activation energy / lower and lower energy levels / chemical bonds / high-energy phosphate bond / /
rav65819_ch07.indd