2 ATPs are produced in the TCA cycle per glucose molecule (2 acetyl CoA).
The ATP that is produced by glycolysis and the citric acid cycle is, both yield a small amount of ATP.
Citric acid cycle is also known as Krebs cycle, which breaks down the pyruvic acid to carbon dioxide. As a result to which it produces 2 ATP and 6 NADH, for every glucose molecule entering glycolysis.
Krebs cycle is a series of reactions that occurs in the matrix of mitochondria. It takes in acetyl CoA and produces carbon dioxide.
The overall yield of energy-containing compounds from the citric acid cycle is three NADH, one FADH2, and one GTP.
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