front 1 1st acetly CoA ( 2-c compound) binds with | back 1 oxaloacetate a 4-c-compound, forming citrate a 6-c-compund |
front 2 2nd citrate ( 6-c-compound)gets oxidized and.. | back 2 NAD+ removed e- from citrate and gets reduced to NADH, and a CO2 is released. so the 6c compound is now a 5c compund |
front 3 3rd the 5c compound.. | back 3 gets oxidized by NAD+ removing e-, then NAD+ gets reduced to NADH and another CO2 is released. now the 5c compound is now a 4c compound |
front 4 4th the 4-c compound... | back 4 gets oxidized |
front 5 5th GDP gets phosphorylated ... | back 5 to GTP, and GTP is used to phosphorylated GDP to ATP |
front 6 6th FAD oxidizes to 4-c compound and gets reduced... | back 6 to FADH2, |
front 7 then 4-c compound oxidized again... | back 7 by NAD+ which gets reduced to NADH, and H2O enters |