glycogen triglyceride protein ↓ glucose Fatty acid+glycerol Amino acid ↓↓ Acetyl-CoA mitochondrion TAC c02 ADP+Pi ATP 2H Respiratory→H2o chain glycogen triglyceride protein glucose Fatty acid+glycerol Amino acid Acetyl-CoA TAC CO2 2H Respiratory chain H2O ADP+Pi ATP mitochondrion