Microbiology Granules in the Corynebacterium diphtheria are called by following names, except A Metachromatic granules B Retractile granules C Babes Ernst granules D Volutin granules 💡 Explanation Granules in the Corynebacterium diphtheria are called by following names, except ✓ Correct Answer: B. Retractile granules