Question
Explain regulation of TCA cycle.
Answer :
Word Count : 231
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The regulation of the TCA (tricarboxylic acid) cycle is crucial for maintaining cellular energy homeostasis. The cycle is primarily regulated by the availability of substrates and the energy demands of the cell. Key regulatory enzymes play a central role in this process.
One of the primary regulatory points is the enzyme citrate synthase, which catalyzes the first step of the TCA cycle. The activity of citrate synthase is inhibited by high concentrations of its product, citrate, as well as ATP, which signals that the cell has sufficient energy. Additionally, isocitrate dehydrogenase, which
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