Immune System Which of the following proteins would not need localization signal? A nuclear protein A protein bound to the endoplasmic reticulum (ER) membrane A cytosolic protein A cell surface protein A nuclear protein A protein bound to the endoplasmic reticulum (ER) membrane A cytosolic protein A cell surface protein ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for isoantigens? They are antigens found in some members of different species They are antigens found in all members of a species They are antigens found in some members of a species They are antigens found in all members of different species They are antigens found in some members of different species They are antigens found in all members of a species They are antigens found in some members of a species They are antigens found in all members of different species ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for CD8 T 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 cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B 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 cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? All of these B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell All of these B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell ANSWER DOWNLOAD EXAMIANS APP
Immune System Lysozyme is present in saliva urine Cerebro spinal fluid (CSF) sweat saliva urine Cerebro spinal fluid (CSF) sweat 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 synthesize antibodies and put them on their cell surface 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
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