Which of the following is the only 5-carbon compound formed during Kreb's cycle?
A
Malic acid
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B
Succinic acid
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C
cis-aconitic acid
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D
ketoglutaric acid
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Solution
The correct option is D ketoglutaric acid In Krebs' cycle, oxalosuccinic acid thus formed from isocitric acid gets decarboxylated in presence of a decarboxylase enzyme and forms a 5 carbon ketoglutaric acid.