What differentiates virulent strains of Streptococcus pneumoniae from nonvirulent strains?
A) the type of Lancefield antigen it produces
B) the type of toxins it produces
C) the presence of a polysaccharide capsule that protects it from digestion after endocytosis
D) the extent of the hemolytic zone it produces when it is grown on blood agar
E) the species- specific teichoic acid present in its cell wall
Correct Answer:
Verified
Q11: Which of the following bacteria can cause
Q12: The Quellung reaction is used to diagnose
A)
Q13: Anthrax, which means "charcoal" in Greek, derives
Q14: Streptococci are frequently classified by
A) the diseases
Q15: Which of the following bacteria can cause
Q17: Which of the following is a key
Q18: The pus from an abscess in a
Q19: Otitis media may lead to dangerous meningitis
Q20: Which of the following statements about diphtheria
Q21: Mycoplasma pneumoniae causes respiratory disease by
A) infecting
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents