Q31 / 200 · NEET 2022 (Phase 2) · Botany

The 5-C compound formed during TCA cycle is :

  • Correct answer
    A
    $\alpha$-ketoglutaric acid
  • B
    Oxalo succinic acid
  • C
    Succinic acid
  • D
    Fumaric acid

Solution

During TCA cycle, after first decarboxylation of oxalosuccinic acid, $\alpha$-Ketoglutaric acid 5-C compound ( $\alpha$-KGA) is formed. $\alpha$-KGA undergoes further decarboxylation to form a 4 carbon compound i.e., succinyl-CO-A.

Hence, the correct answer is option: 'A'.

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