In the process of aerobic respiration, the fi | vedclass

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(B) In aerobic respiration, the process begins with glycolysis, which occurs in the cytoplasm and does not release $CO_2$.Following glycolysis, the py

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formation of acetyl $CoA$

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(B) In aerobic respiration, the process begins with glycolysis, which occurs in the cytoplasm and does not release $CO_2$.Following glycolysis, the pyruvic acid enters the mitochondrial matrix.Here, it undergoes oxidative decarboxylation to form acetyl $CoA$, a reaction catalyzed by the pyruvate dehydrogenase complex.During this step, one molecule of $CO_2$ is released for each molecule of pyruvic acid, making it the first instance of $CO_2$ release in aerobic respiration.Therefore, the correct option is $B$.

In the process of aerobic respiration, the first $CO_2$ is released during

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