The number of time(s) decarboxylation of isoc | vedclass

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(B) In the $TCA$ cycle (Krebs cycle),decarboxylation refers to the removal of a carbon atom in the form of $CO_2$.$1$. The first decarboxylation occur

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Two

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(B) In the $TCA$ cycle (Krebs cycle),decarboxylation refers to the removal of a carbon atom in the form of $CO_2$.$1$. The first decarboxylation occurs when isocitrate $(6C)$ is converted to $\alpha$-ketoglutarate $(5C)$ by the enzyme isocitrate dehydrogenase.$2$. The second decarboxylation occurs when $\alpha$-ketoglutarate $(5C)$ is converted to succinyl-$CoA$ $(4C)$ by the $\alpha$-ketoglutarate dehydrogenase complex.Therefore,decarboxylation occurs twice during a single $TCA$ cycle.

The number of time$(s)$ decarboxylation of isocitrate occurs during a single $TCA$ cycle is:

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