How many turns of the citric acid cycle are implicated in accounting for the net oxidation of each of the following compounds to carbon dioxide and water? glucose glyceraldehyde citric acid succinic acid
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How many turns of the citric acid cycle are implicated in accounting for the net oxidation of each of the following compounds to carbon dioxide and water?
- glucose
- glyceraldehyde
- citric acid
- succinic acid
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- After the citric acid cycle reactions run _________, one six-carbon glucose molecule has been completely broken down to CO2. a. once b. twice c. six times d. twelve timesThe citric acid cycle operates only when O2 is present, yet O2 is not a substrate for the cycle. Explain.Which of the following reactions DOES NOT take place during the citric acid cycle? The energy investment phase, whereby two phosphates are added to glucose to make Fructose-1,6-biphosphate. The hydrolysis of fumarate to make malate. FAD retrieves hydrogen ions and electrons from succinate to form FADH2 and fumarate. Carbon dioxide is released when alpha-ketoglutarate is transformed to Succinyl CoA.
- How does each of the following regulate citric acid cycle?(a) High levels of Succinyl-CoA(b) High levels of ADP(c) High levels of NADHgive five biological effects of disorders of the citric acid cycleThe citric acid cycle can be divided into two stages. In one stage, carbon atoms are added and removed, and in the second stage, oxaloacetate is regenerated. Which steps of the citric acid cycle correspond to each stage?
- What step in the citric acid cycle in inhibited by fluorocitrate?in steps 3 and 5 of the citric acid cycle, the compounds are shortended by one carbon each time. whst is the form of this one-carbon compound? what happens to it in the body?identify the reactions of the citric acid cycle that provide reducing power for the electron-transport chain a. conversion of succinyl-CoA to succinate b. conversion of fumarate to malate c. conversion of succinate to fumarate d. conversion of malate to oxaloacetate
- All the enzymes that participate in the citric acid cycle are located in the mitochondrial matrix, except for which enzyme? 1. aconitase 2. succinate dehydrogenase 3. fumarase 4. malate dehydrogenaseWhich of the following citric acid cycle enzymes catalyzes substrate-level phosphorylation? A) isocitrate dehydrogenase B) α-ketoglutarate dehydrogenase C) succinyl CoA synthetase D) succinate dehydrogenase E) malate dehydrogenaseNAD is reduced in which Citric Acid cycle reaction? (a) Isocitrate to oxaloacetate (b) alpha-ketoglutarate to Succinyl CoA (c) Malate to oxaloacetate (d) Succinate to fumarate (e) Oxaloacetate to Citrate