Microbiology FALSE statement about the Streptococcus is: A M protein is responsible for production of mucoid colonies B M protein is the major surface protein of group A streptococci C Mucoid colonies are virulent D Endotoxin causes rash of scarlet fever 💡 Explanation FALSE statement about the Streptococcus is: ✓ Correct Answer: A. M protein is responsible for production of mucoid colonies