Immune System Treatment with bacterial endotoxins results blast formation in monocytes T cells none of these B cells monocytes T cells none of these B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following proteins would not need localization signal? A nuclear protein A cytosolic protein A protein bound to the endoplasmic reticulum (ER) membrane A cell surface protein A nuclear protein A cytosolic protein A protein bound to the endoplasmic reticulum (ER) membrane A cell surface protein 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 By the combination of different heavy and light chains that form the antigen binding site Antibody proteins can physically change their shape to bind different epitopes Both (a) and (b) By rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site Antibody proteins can physically change their shape to bind different epitopes Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following statements is false regarding B cells? B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells can undergo class switching and produce a different antibody type 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 that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells can undergo class switching and produce a different antibody type 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 Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD8 CD7 CD9 CD4 CD8 CD7 CD9 CD4 ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is HLA interleukin CD8 actin HLA interleukin CD8 actin ANSWER DOWNLOAD EXAMIANS APP