Streptococcus all are true except: (A) Streptodornase cleaves DNA, (B) Streptolysis O is active in reduced state, (C) Streptokinase is produced from serotype A, C, K, (D) Pyrogenic toxin A is plasmid mediated
Answer is D. Three toxin types of streptococcal pyroexotoxin have been identified: A, B and C. Type A and C are bacteriophage coded Type B is chromosomally mediated