If instead of using the pyruvate for gluconeogenesis, the pyruvate entered the mitochondria, what would be produced (NADH, FADH2, ATP...) by the complete oxidation of a molecule of alanine to CO2?
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- What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.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.After pyruvate enters the mitochondria, what would be the maximum number of ATP molecules produced from the complete oxidation of one molecule of pyruvate ?
- You know that during oxidative phosphorylation, 1 NADH creates 2.5 ATP and 1 FADH2 creates 1.5 ATP. From this information, how many total ATP molecules will be produced from the complete oxidation of pyruvate?Before pyruvate enters the citric acid cycle, it is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl CoA, carbon dioxide, and one molecule of (a) NADH (b) FADH2 (c) ATP (d) ADP (e) C6H12O6How many molecules of CO2, NADH, and FADH2 are releasedper pyruvate oxidized in the citric acid cycle?
- How come high levels of NADH indicate reduced coenzymes rather than oxidized coenzymes? Isn't pyruvate oxidized by the reduction of NAD+ to NADH? Why is the answer reduced then?___ molecules of ATP are ultimately formed per every acetyl-CoA that enters the citric acid cycle and the remaining ATP molecules are generated via the ___ of NADH and FADH2. A) Nine; oxidation B) Ten; reduction C) Ten; oxidation D)Nine; reductionThe end product of glycolysis, pyruvate, cannot enter as such into the citric acid cycle. Which process converts this C3 compound to a C2 compound?
- If one molecule of fructose-1,6-bisphosphate is converted to pyruvate how many molecules of ATP, NADH, and FADH2 are formed?Each cycle of beta (β)-oxidation produces a. 1 FADH2, 1 NADH, and 2 CO2 molecules b. 1 FADH2, 1 NAD+, and 1 acetyl-CoA. c. 1 FADH2, 1 NADH, and 1 acetyl-CoA d. 1 FAD, 1 NADH, and 1 acetyl-CoA.Where does the break down of pyruvate using oxygen takes place?
