Immune System
Which of the following(s) is/are the determinants of antigenicity?

Foreignness
All of these
Chemical nature
Size of the antigen

ANSWER DOWNLOAD EXAMIANS APP

Immune System
Which of the following statements is false regarding B cells?

B cells synthesize antibodies and put them on their cell surface
B cells can undergo class switching and produce a different antibody type
B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow
B one marrow stem cells migrate to the thymus and develop into B cells

ANSWER DOWNLOAD EXAMIANS APP