Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is CD8 actin interleukin HLA CD8 actin interleukin HLA ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in none of these suppresssor T cells both (a) and (b) cytotoxic T cells none of these suppresssor T cells both (a) and (b) cytotoxic T cells ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to trap virus in mucus and prevent entry they use their cilia to propel mucus out of the small intestine induce apoptosis in virus-infected small intestinal epithelia cells pass bacteria or virus to underlying macrophages for processing and presentation of antigen trap virus in mucus and prevent entry they use their cilia to propel mucus out of the small intestine induce apoptosis in virus-infected small intestinal epithelia cells pass bacteria or virus to underlying macrophages for processing and presentation of antigen ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following proteins would not need localization signal? 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 A cell surface protein ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be protein any of these lipid polysaccharide protein any of these lipid polysaccharide ANSWER DOWNLOAD EXAMIANS APP
Immune System Polymorphonuclear leukocytes (or PMNs) can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria All of these are derived from bone marrow stem cells can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria All of these are derived from bone marrow stem cells ANSWER DOWNLOAD EXAMIANS APP
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