How food provide energy? glycogen triglyceride protein ↓ ↓ glucose Fatty acid+glycerol Amino acid ↓↓ Acetyl-CoA TAC C02 ADP+Pi ATP 2H Respiratory→H2O chain Reducing equavalents(H or e) glycogen triglyceride protein glucose Fatty acid+glycerol Amino acid Acetyl-CoA TAC 2H Reducing equavalents( H or e- ) Respiratory chain H2O CO ADP+Pi ATP 2 * How food provide energy?