1. The final electron acceptor during electron transport isproduces the most ATP3. Acetyl CoA is involved in the2.4. NADH and FADH2 transfer their electrons to5. The flow of electrons leads to the build up of6. Glycolysis occurs in the7. Krebs cycle occurs in the8. IF oxygen is not present, the electron transport chain will still proceed . True or False??9. Both lactic acid and alcoholic fermentation produce_10. Carbon dioxide is produced duringand

Every organism requires energy to carry out various body functions. The energy is produced through a series of metabolic reactions in the body. Respiration results in the production of energy. It may be aerobic or anaerobic. Kreb’s cycle, glycolysis, etc., results in the production of energy in the form of ATP.The final electron acceptor in the electron transport is oxygen. At the end of the electron transport system, in aerobic respiration, two protons, two electrons along with half of an oxygen molecule combines together to form water. Therefore, oxygen is the final electron acceptor. Oxidative phosphorylation or electron transport chain produces the most ATP. Oxidative phosphorylation produces more ATP as compared to Kreb’s cycle, glycolysis, etc. Acetyl CoA is involved in the citric acid cycle or Kreb’s cycle. The main function of acetyl CoA is to deliver carbon atoms present in the acyl group to the citric acid cycle for energy production. The flow of electrons takes place from NADH and FADH2 to oxygen in the mitochondria. NADH deposits electron at complex I, while FADH2 deposits electron at complex II. The flow of electrons leads to the build-up of protons in the inter-membrane space in the mitochondria. Glycolysis takes place in the cytoplasm in both prokaryotic as well as eukaryotic cells. The reactions of the Kreb’s cycle takes place in the mitochondria. The given statement is true. As oxygen is the final acceptor of an electron in the electron transport chain, if there is no oxygen, then the chain does not proceed. Both alcoholic and lactic acid fermentation yields 2 ATP. In both the process, all NADH that is produced in glycolysis is used up in fermentation. Carbon dioxide is produced during glycolysis, Kreb’s cycle, and alcoholic fermentation.