Microbiology All are true about given bacteria except: A Gram-positive, highly pleomorphic organisms with paicular arrangement. B Cardiovascular system involvement is early presentation C Special stains are Neisser and Ponder's stain D It is sensitive to the majority of antibiotics, such as the penicillins, ampicillin, cephalosporins etc. 💡 Explanation All are true about given bacteria except: ✓ Correct Answer: B. Cardiovascular system involvement is early presentation