Medical Mcqs

The function of IgD is______________?
  • (A)  Antigen recognition by B cells
  • (B)  Localization protection in external secretion
  • (C)  Compliment activation
  • (D)  Reagin activity
Techoic acid is present in_____________?
  • (A)  Cell wall of Gram positive organisms
  • (B)  Cell wall of Gram negative organisms
  • (C)  Cytoplasm of Gram positive organisms
  • (D)  Cytoplasm of Gram negative organisms