Biochemistry In the krebs cycle, CO2 is released from a step catalyzed by which of the following enzyme? A Isocitrate dehydrogenase B succinate dehydrogenase C Aconitase D Succinate thiokinase 💡 Explanation In the krebs cycle, CO2 is released from a step catalyzed by which of the following enzyme? ✓ Correct Answer: A. Isocitrate dehydrogenase