10 Questions
What is the purpose of the conversion of succinyl-CoA to succinic acid in the citric acid cycle?
To synthesize GTP through substrate-level phosphorylation
Which molecule is reduced to FADH2 in the citric acid cycle?
FAD+
What is the final product synthesized when GTP is converted to GDP in the citric acid cycle?
ATP
How many molecules of NADH + H+ are synthesized during the TCA cycle from one molecule of glucose?
8
Which compound is the first member of the citric acid cycle that must be continuously replenished for the cycle to continue?
Oxaloacetic acid
What is the fate of pyruvate under aerobic conditions?
Conversion to acetyl CoA
During fermentation in plants, pyruvate is converted into which compound?
Ethanol
Which molecule is NOT reduced during the citric acid cycle?
NAD+
How many molecules of ATP are synthesized from one molecule of glucose in glycolysis and the TCA cycle combined?
8
What happens during substrate-level phosphorylation in the citric acid cycle?
GDP is phosphorylated to form GTP.
Explore the process of pyruvic acid conversion into acetyl CoA in the mitochondria, followed by the generation of NADH + H+ and FADH2 in the Krebs' cycle, leading to ATP synthesis. Learn how energy molecules are utilized in the respiration process.
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