Immune System Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD7 CD9 CD4 CD8 CD7 CD9 CD4 CD8 ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for CD8 T cells? CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells CD8 T cells only recognize virus-infected cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells CD8 T cells only recognize virus-infected cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only 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? 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 Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immune System Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on 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 chromosome 6 in man, chromosone 21 in mice chromosome 17in man, chromosome 6 in mice chromosome 21 in man, chromosome 6 in mice ANSWER DOWNLOAD EXAMIANS APP
Immune System Large parasites such as helminthes may be killed extracellularly by the action of monocytes neutrophils basophils eosinophils monocytes neutrophils basophils eosinophils ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in none of these both (a) and (b) cytotoxic T cells suppresssor T cells none of these both (a) and (b) cytotoxic T cells suppresssor T cells ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS