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प्रश्न
Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate.
विकल्प
Succinyl-CoA → Succinic acid
Isocitrate → a-ketoglutaric acid
Malic acid → Oxaloacetic acid
Succinic acid → Malic acid
MCQ
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उत्तर
Succinyl-CoA → Succinic acid
Explanation:
The substrate is not oxidised during the conversion of succinyl-CoA to succinic acid in the tricarboxylic acid (TCA) cycle. Rather, this phase releases Coenzyme A (CoA) and converts succinyl-CoA to succinate. The conversion of isocitrate to a-ketoglutaric acid and a-ketoglutaric acid to succinyl-CoA involves the oxidation stages in the TCA cycle.
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