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Question

Mineral activator for enzyme carboxylase in TCA cycle is Fe.

A
True
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B
False
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Solution

The correct option is B False
There are various metal ions which act as cofactors or activators of enzymes involved in biochemical pathways. Manganese is the metal which acts as a cofactor for carboxylase enzyme. In +2 oxidation state, it acts as a mineral activator. The metallic ion is required for the activity of pyruvate carboxylase in liver mitochondria and also by oxaloacetate carboxylase in muscles.
So, the statement is false.

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