5. Explain in detail the tricarboxylic acid (TCA) cycle with the help of a well labelled diagram

The tricarboxylic acid (TCA) cycle, also known as the Krebs cycle or citric acid cycle, is a central metabolic pathway that occurs in the mitochondria of eukaryotic cells and in the cytoplasm of prokaryotic cells. The TCA cycle is responsible for the oxidation of acetyl-CoA to produce energy in the form of ATP, as well as the production of reducing equivalents in the form of NADH and FADH2. The TCA cycle consists of a series of eight enzymatic reactions, which are described below:

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