FAD is a coenzyme for dehydrogenation.
a. When a molecule is dehydrogenated, is FAD oxidized or reduced?
The reaction that follows is catalyzed by isocitrate dehydrogenase and occurs in two steps, the first of which (step A) is formation of an unstable intermediates (shown in brackets).
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b. In which step is CO₂ evolved and a hydrogen ion added?