Glycolysis | Citric acid cycle |
It occurs in the cytoplasm. | It occurs in the mitochondria. |
It is the first step of respiration. | It is the second step of respiration. |
Glucose is broken down to form 2 molecules of puruvate. | Water and carbon dioxide are formed from pyruvate. |
It results in the liberation of 2 ATP and 2 NADH. | Two molecules of acetyl Co-A oxidize to give 6 molecules of NADH and 2 molecules of FADH24. |
It is not connected with oxidative phosphorylation. | It is connected with oxidative phosphorylation. |