Overview of Cellular Respiration Process Diagrams Step-by-Step Copyright © 2007 by John Wiley & Sons, Inc.

1 Glucose 2 ATP 1 GLYCOLYSIS 2 NADH + 2 H+ 2 Pyruvic acid

1 2 1 Glucose 2 ATP GLYCOLYSIS 2 NADH + 2 H+ 2 Pyruvic acid FORMATION OF ACETYL COENZYME A 2 CO2 2 NADH + 2 H+ 2 Acetyl coenzyme A

1 2 3 1 Glucose 2 ATP GLYCOLYSIS 2 NADH + 2 H+ 2 Pyruvic acid FORMATION OF ACETYL COENZYME A 2 CO2 2 NADH + 2 H+ 2 Acetyl coenzyme A 2 ATP 4 CO2 3 KREBS CYCLE 6 NADH + 6 H+ 2 FADH2

1 2 4 3 1 Glucose 2 ATP GLYCOLYSIS 2 NADH + 2 H+ 2 Pyruvic acid FORMATION OF ACETYL COENZYME A 2 CO2 2 NADH + 2 H+ 4 ELECTRON TRANSPORT CHAIN 2 Acetyl coenzyme A 2 ATP Electrons 32 or 34 ATP e– 4 CO2 e– 3 e– KREBS CYCLE 6 NADH + 6 H+ 2 FADH2 6 O2 6 H2O