Immune System Following are the defenses of the colon except fast flow rate dense resident microbiota mucus sIgA fast flow rate dense resident microbiota mucus sIgA ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in non-specific killing of virus transformed target cells all of these allograft rejection tumour rejection non-specific killing of virus transformed target cells all of these allograft rejection tumour rejection ANSWER DOWNLOAD EXAMIANS APP
Immune System T cell receptors (or TCR) on CD4+ T cells recognize peptides associated with MHC class I molecules are secreted out into the environment to bind antigens recognize peptides not associated with MHC molecules recognize peptides associated with MHC class II molecules recognize peptides associated with MHC class I molecules are secreted out into the environment to bind antigens recognize peptides not associated with MHC molecules recognize peptides associated with MHC class II molecules ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for all of these diphtheria enteric fever tuberculosis all of these diphtheria enteric fever tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell All of these B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell 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 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) ANSWER DOWNLOAD EXAMIANS APP