Forensic Medicine Lead inhibits which enzymes in the heme synthesis pathway: CMC (Vellore) 07 A Aminolevulinate synthase B Ferrochelatase and 6-ALA dehydratase C Porphobilinogen deaminase D Uroporphyrinogen decarboxylase 💡 Explanation Lead inhibits which enzymes in the heme synthesis pathway: CMC (Vellore) 07 ✓ Correct Answer: B. Ferrochelatase and 6-ALA dehydratase