Minerals activator needed for the enzyme carboxylase of TCA cycle is

M g^{+ +}

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F e^{+ + +}

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M o^{+ +}

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C a^{+ +}

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Solution

The correct option is A $M g^{+ +}$
Carboxylase enzyme was discovered by Neuberg and Hildesheimer in 1911. It requires $M g^{+ +}$ or $M n^{+ +}$ as activator when it acts in citric acid cycle. Carboxylase converts pyruvate to oxaloacetate.

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