From the complete oxidation of glucose (glucose > 6CO2), how may total NADH electron carriers are produced?
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From the complete oxidation of glucose (glucose > 6CO2), how may total NADH electron carriers are produced?
The metabolic pathway that breaks down glucose and produces ATP is known as cellular respiration. Glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation are all steps of cellular respiration.
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- Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is inhibited by· NIADH. Pyruvate dehydrogenase is inhibited by AΤΡ. Citrate synthase is inhibited by NADH. Succinyl-CoA activates citrate synthase. Acetyl-CoA activates pyruvate carboxylase.From the complete oxidation of glucose (glucose → 6CO2), how many total NADH electron carriers are produced and how many total nucleotide triphosphates are yielded (be sure to deduct payback) as part of substrate level phosphorylation?There is a proposal that pyrazole could protect against the damaging effects of alcohol on the liver that resultfrom prolonged decrease in the ratio of [NAD+]/[NADH] caused by the oxidation of alcohol. ( NAD+ isrequired for several key dehydrogenation steps in the pathway of glucose synthase. NADH promotes theaccumulation of fat in the liver cells) Assuming that pyrazole is not toxic and that it is transported to the liver,evaluate its potential as an antidote to liver damage in treating chronic alcoholism. Would it be a reasonabletherapeutical candidate? Explain. Please explain and please don't copy bartleyby answer.
- How many mol of NADH can be obtained upon the beta oxidation of stearic acid? How many mol of ATP can be obtained upon the complete oxidation of 1 mol stearic acid? How many steps in glycolysis in which ATO is converted to ADP?FAD is a stronger oxidant than NAD*; FAD has a higher standard reduction potential than NAD*. Yet in the last reaction of the pyruvate dehydrogenase complex, FADH; bound to Ez is oxidized by NAD*. Explain this apparent paradox.If α-ketoglutarate is removed from TCA cycle and used to make glutamate, how many of each of the cofactors (not intermediates) and high energy molecules in the TCA cycle are lost? How much ATP does this equate to (NADH = 2.5 ATP, FADH2 = 1.5 ATP)?
- In the complete b-oxidation of stearic acid (18:0) What is the total ATP produced in the citric acid cycle? How many moles of NADH are produced?Arsenate (HAsO42-) can replace inorganic phosphate (Pi) in the reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase, causing Glyceraldehyde 3-phosphate to be directly converted to 3-phosphoglycerate (NADH is still formed). If a cell is expose to Arsenate, which of the following metabolites of glycolysis will not be detectable in the cell? 2-phosphoglycerate 3-phosphoglycerate Fructose 6-phosphate Glucose 6-phosphate 1,3-bisphosphoglycerateFAD is a stronger oxidant than NAD+; FAD has a higher standard reductionpotential than NAD+. Yet in the last reaction of the pyruvate dehydrogenase complex , FADH2 bound to the E3 subunit is oxidized by NAD+. Explain this apparent paradox.
- Arsenate (HASO42-) can replace inorganic phosphate (Pi) in the reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase, causing Glyceraldehyde 3-phosphate to be directly converted to 3-phosphoglycerate (NADH is still formed). If a cell is expose to Arsenate, which of the following metabolites of glycolysis will not be detectable in the cell? 2-phosphoglycerate B 3-phosphoglycerate Fructose 6-phosphate Glucose 6-phosphate E 1,3-bisphosphoglycerateThe diagram on the right compares the O2 uptake activity of mitochondria isolated from cultures of (wt) STHdhQ7/Q7 and mutant STHDHQ111/Q111 striatal neuronal progenitor cells, as introduced in Question 1. Panels A and B be- long to wt mitochondria and Panels C and D be- long to HD mitochondria. The isotonic medium was buffered to pH 7.4 with inorganic phosphate. Respiration is supported initially by addition of py- ruvate (+ malate) at t = 0, followed by additions of ADP (sufficient to consume all of the O2 in the incubation medium), R (rotenone), S (succinate), and O (oligomycin). For Panels A and C, Ca2+ had been added to a concentration of 0.9 µM, Ca2+ 2. B A WT 400 ADP ADP 450 300 - 300 200 Ca2 10 uM 150 100 - C HD 400 ADP R ADP R SO 450 300 - V s Ca2 10 uM 300 200 - 150 100 - while for mitochondria in Panels B and D, had been added to the medium to a final concen- Time 20 min tration of 10 µM, sufficient to require translocation into the mitochondrial matrix by the Ca2+…How many molecules of NADH are produced when one glyceraldehyde- 3-phosphate is metabolized through glycolysis and Krebs cycle?