False about C. diphtheriae: (A) Toxin production is chromosome mediated, (B) Toxic production is phage mediated, (C) Toxic to hea and neuron, (D) Toxin inhibitis protein synthesis
Answer is A. Ans. (a) Toxin production chromosome mediated Already explained Note: Toxicity of corynebacterium is under control of phage gene, but the invasiveness is under control of bacterial gene.