1. Breakdown of triglycerides 2. Process considered anaerobic or oxygen independent 3. Also known as the citric acid cycle 4. Formation of glucose from alanine or other non-CHO source 5. Breakdown of glycogen to glucosyl units 6. Occurs when molecule releases electrons (energy) 7. Breakdown of glucose or glycogen occurring in the cytosol 8. Formation of glycogen from glucose 9. Conversion of NADH molecules formed in cytosol into FADH molecules in mitochondria 10. Breakdown of FFA into acetyl groups A. Beta oxidation B. Cori Cycle C. Glycogenesis D. Glycogenolysis E. Glycolysis F. Gluconeogenesis G. Kreb's cycle H. Lipolyis I. GP shuttle J. Reduction K. Oxidation
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Step 1: Breakdown of triglycerides - This process is known as **lipolysis**. Show more…
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You have 8 glucose molecules and 3 triglyceride molecules (comprised of stearic acid). There is plenty of oxygen so all of your substrate will undergo oxidative phosphorylation. Start with your glucose molecules and trace them through glycolysis, the Krebs cycle, and the electron transport chain. Remember that 2 pyruvate are produced from each glucose molecule. The triglyceride is composed of a glycerol and 3 fatty acid chains of stearic acid (a 18 carbon saturated fatty acid). Your triglyceride molecules will go through beta-oxidation. The end product of beta-oxidation is acetyl-CoA. The acetyl-CoA that is produced from beta-oxidation will then enter the Krebs cycle, while the NADH and FADH2 produced during beta-oxidation will go directly to the electron transport chain. Remember, there are three fatty acid chains on each triglyceride molecule. TRIGLYCERIDE: Kreb's Cycle/ETC 1. How many ATP will be produced from substrate-level phosphorylation in the Kreb's cycle from your 3 triglyceride molecules? 2. How many NADH will be produced from your 3 triglyceride molecules in the Kreb's cycle? 3. How many NADH will be produced from your 3 triglyceride molecules in the Kreb's cycle? 4. How many ATP will be produced from the NADH formed in the Kreb's cycle from your 3 triglyceride molecules? 5. How many ATP will be produced from the FADHs formed in the Kreb;s cycle from your 3 triglyceride molecules? 6. What is the total number of ATP produced from your 3 triglyceride molecules by oxidative phosphorylation?
Madhur L.
You have 5 glucose molecules and 2 triglyceride molecules (comprised of stearic acid). There is plenty of oxygen so all of your substrate will undergo oxidative phosphorylation. Start with your glucose molecules and trace them through glycolysis, the Krebs cycle, and the electron transport chain. Remember that 2 pyruvate are produced from each glucose molecule. The triglyceride is composed of a glycerol and 3 fatty acid chains of stearic acid (a 18 carbon saturated fatty acid). Your triglyceride molecules will go through beta-oxidation. The end product of beta-oxidation is acetyl-CoA. The acetyl-CoA that is produced from beta-oxidation will then enter the Krebs cycle, while the NADH and FADH2 produced during beta-oxidation will go directly to the electron transport chain. Remember, there are three fatty acid chains on each triglyceride molecule. 1. How many total ATP are used for the "investment phase" of glycolysis for 8 glucose molecules? 2. How many total ATP are produced during the "energy generation phase" of glycolysis for 8 glucose molecules? 3. How many NADH will be produced from the 8 molecules of glycolysis? 4. What is the total number of pyruvates formed from the 8 glucose molecules? 5. How many ATP (gross) will be formed from the breakdown of 8 glucose molecules? 6. How many ATP (net) will be formed from the breakdown of 8 glucose molecules?
Lochan U.
You have 8 glucose molecules and 3 triglyceride molecules (composed of stearic acid). There is plenty of oxygen, so all of your substrate will undergo oxidative phosphorylation. Start with your glucose molecules and trace them through glycolysis, the Krebs cycle, and the electron transport chain. Remember that 2 pyruvate molecules are produced from each glucose molecule. The triglyceride is composed of a glycerol and 3 fatty acid chains of stearic acid (an 18-carbon saturated fatty acid). Your triglyceride molecules will go through beta-oxidation. The end product of beta-oxidation is acetyl-CoA. The acetyl-CoA that is produced from beta-oxidation will then enter the Krebs cycle, while the NADH and FADH2 produced during beta-oxidation will go directly to the electron transport chain. Remember, there are three fatty acid chains on each triglyceride molecule. 1. How many ATP will be produced from substrate-level phosphorylation in the Krebs cycle from your 3 triglyceride molecules? 2. How many NADH will be produced from your 3 triglyceride molecules in the Krebs cycle? 3. How many FADH2 will be produced from your 3 triglyceride molecules in the Krebs cycle? 4. How many ATP will be produced from the NADH formed in the Krebs cycle from your 3 triglyceride molecules? 5. How many ATP will be produced from the FADH2 formed in the Krebs cycle from your 3 triglyceride molecules? What is the total number of ATP produced from your 3 triglyceride molecules by oxidative phosphorylation?
Adi S.
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