Immune System Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on chromosome 6 in man, chromosone 21 in mice chromosome 21 in man, chromosome 6 in mice chromosome 17in man, chromosome 6 in mice chromosome 6 in man, chromosome 17 in mice chromosome 6 in man, chromosone 21 in mice chromosome 21 in man, chromosome 6 in mice chromosome 17in man, chromosome 6 in mice chromosome 6 in man, chromosome 17 in mice ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be any of these protein polysaccharide lipid any of these protein polysaccharide lipid ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is HLA actin CD8 interleukin HLA actin CD8 interleukin ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in cytotoxic T cells none of these both (a) and (b) suppresssor T cells cytotoxic T cells none of these both (a) and (b) suppresssor T cells 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 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 one marrow stem cells migrate to the thymus and develop into B cells 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 cells synthesize antibodies and put them on their cell surface B one marrow stem cells migrate to the thymus and develop into B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? Polymorphonuclear leukocyte (or PMN) All of these B cell Dendritic cell Polymorphonuclear leukocyte (or PMN) All of these B cell Dendritic cell ANSWER DOWNLOAD EXAMIANS APP