Immune System Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? By the combination of different heavy and light chains that form the antigen binding site By rearrangements of the DNA encoding the variable regions of the heavy and light chains Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes By the combination of different heavy and light chains that form the antigen binding site By rearrangements of the DNA encoding the variable regions of the heavy and light chains Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Foreignness Chemical nature Size of the antigen All of these Foreignness Chemical nature Size of the antigen All of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Lysozyme is present in saliva urine sweat Cerebro spinal fluid (CSF) saliva urine sweat Cerebro spinal fluid (CSF) ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for enteric fever all of these diphtheria tuberculosis enteric fever all of these diphtheria tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Immune System Treatment with bacterial endotoxins results blast formation in none of these T cells B cells monocytes none of these T cells B cells monocytes ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following statements is false regarding B cells? B cells can undergo class switching and produce a different antibody type B one marrow stem cells migrate to the thymus and develop into B cells B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells synthesize antibodies and put them on their cell surface B cells can undergo class switching and produce a different antibody type B one marrow stem cells migrate to the thymus and develop into B cells B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells synthesize antibodies and put them on their cell surface ANSWER DOWNLOAD EXAMIANS APP