At the end of the Krebs cycle, the final product is oxaloacetic acid. This is identical to the oxaloacetic acid that begins the cycle. Now the molecule is ready to accept another acetyl-CoA molecule to begin another turn of the cycle. All told, the Krebs cycle forms (per two molecules of pyruvic acid) two ATP molecules, ten NADH molecules, and two FADH2 molecules.
If you take Regular insulin or a longer-acting insulin, you should generally take it 15 to 30 minutes before a meal. If you take insulin lispro (brand name: Humalog), which works very quickly, you should generally take it less than 15 minutes before you eat.
Generally, the first glucose curve is performed 10 â 14 days after beginning insulin therapy, but you may need to take a few readings each day. When performing a curve, you will take blood glucose readings every 2 â 3 hours for 12 hours (the time between insulin injections.