Immune System Following are the defenses of the colon except fast flow rate sIgA dense resident microbiota mucus fast flow rate sIgA dense resident microbiota mucus ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in tumour rejection 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 ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in cytotoxic T cells suppresssor T cells both (a) and (b) none of these cytotoxic T cells suppresssor T cells both (a) and (b) none of these 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 one marrow stem cells migrate to the thymus and develop into B cells B cells synthesize antibodies and put them on their cell surface 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 one marrow stem cells migrate to the thymus and develop into B cells B cells synthesize antibodies and put them on their cell surface ANSWER DOWNLOAD EXAMIANS APP
Immune System Lysozyme is present in sweat Cerebro spinal fluid (CSF) saliva urine sweat Cerebro spinal fluid (CSF) saliva urine ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? T cells Monocytes Granulocytes B cells T cells Monocytes Granulocytes B cells ANSWER DOWNLOAD EXAMIANS APP
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