Immune System Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on chromosome 6 in man, chromosone 21 in mice chromosome 17in man, chromosome 6 in mice chromosome 21 in man, chromosome 6 in mice chromosome 6 in man, chromosome 17 in mice chromosome 6 in man, chromosone 21 in mice chromosome 17in man, chromosome 6 in mice chromosome 21 in man, chromosome 6 in mice chromosome 6 in man, chromosome 17 in mice ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in allograft rejection all of these tumour rejection non-specific killing of virus transformed target cells allograft rejection all of these tumour rejection non-specific killing of virus transformed target cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? Dendritic cell Polymorphonuclear leukocyte (or PMN) All of these B cell Dendritic cell Polymorphonuclear leukocyte (or PMN) All of these B cell 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? Both (a) and (b) By rearrangements of the DNA encoding the variable regions of the heavy and light chains 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 Both (a) and (b) By rearrangements of the DNA encoding the variable regions of the heavy and light chains 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 ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be lipid protein any of these polysaccharide lipid protein any of these polysaccharide ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in both (a) and (b) none of these suppresssor T cells cytotoxic T cells both (a) and (b) none of these suppresssor T cells cytotoxic T cells ANSWER DOWNLOAD EXAMIANS APP
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