Microbiology Streptococcus all are true except : A Streptodornase cleaves DNA B Streptolysin 0 is active in reduced state C Streptokinase is produced from serotype A,C,K D Pyrogenic toxin A is plasmid mediated 💡 Explanation Streptococcus all are true except : ✓ Correct Answer: D. Pyrogenic toxin A is plasmid mediated