Immune System Which of the following is correct for isoantigens? 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 They are antigens found in some members of different species ANSWER DOWNLOAD EXAMIANS APP
Immune System T cell receptors (or TCR) on CD4+ T cells recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class II molecules recognize peptides associated with MHC class I molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class II molecules recognize peptides associated with MHC class I molecules ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following proteins would not need localization signal? A cell surface protein A cytosolic protein A protein bound to the endoplasmic reticulum (ER) membrane A nuclear protein A cell surface protein A cytosolic protein A protein bound to the endoplasmic reticulum (ER) membrane A nuclear protein 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 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 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 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 one marrow stem cells migrate to the thymus and develop into B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD9 CD7 CD4 CD8 CD9 CD7 CD4 CD8 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 actin CD8 HLA interleukin actin CD8 ANSWER DOWNLOAD EXAMIANS APP
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