The substrate for third biological oxidation in TCA cycle biology Isocitric acid
a-ketoglutaric acid
Succinic acid
Malic acid
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Answer:
https://www.toppr.com/ask/question/biological-oxidation-in-krebs-cycle-involves/
Correct option is
B
O
2
A carboxyl group is removed from pyruvate and released as carbon dioxide. The two-carbon molecule from the first step is oxidized, The oxidized two-carbon molecule, an acetyl group, is attached to Coenzyme A to form acetyl CoA.
The Krebs cycle does not require oxygen directly but it can only take place when oxygen is present because it relies on by-products from the electron transport chain, which requires oxygen.
So the correct option is 'O
2
Explanation:
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