Biochemistry Which of the following enzymic activities would you expect to be decreased in thiamine deficiency? A Pyruvate carboxylase B Isocitrate dehydrogenase C Fumarase D a-Ketoglutarate dehydrogenase 💡 Explanation Which of the following enzymic activities would you expect to be decreased in thiamine deficiency? ✓ Correct Answer: D. a-Ketoglutarate dehydrogenase