Immune System T cell receptors (or TCR) on CD4+ T cells recognize peptides associated with MHC class I molecules recognize peptides associated with MHC class II molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class I molecules recognize peptides associated with MHC class II molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in non-specific killing of virus transformed target cells tumour rejection allograft rejection all of these non-specific killing of virus transformed target cells tumour rejection allograft rejection all of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Following are the defenses of the colon except fast flow rate dense resident microbiota sIgA mucus fast flow rate dense resident microbiota sIgA mucus ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? Dendritic cell B cell Polymorphonuclear leukocyte (or PMN) All of these Dendritic cell B cell Polymorphonuclear leukocyte (or PMN) All of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for enteric fever diphtheria tuberculosis all of these enteric fever diphtheria tuberculosis all of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? Antibody proteins can physically change their shape to bind different epitopes Both (a) and (b) By rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site Antibody proteins can physically change their shape to bind different epitopes Both (a) and (b) By rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site ANSWER DOWNLOAD EXAMIANS APP
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