Immune System Following are the defenses of the colon except fast flow rate sIgA mucus dense resident microbiota fast flow rate sIgA mucus dense resident microbiota ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to pass bacteria or virus to underlying macrophages for processing and presentation of antigen they use their cilia to propel mucus out of the small intestine trap virus in mucus and prevent entry induce apoptosis in virus-infected small intestinal epithelia cells pass bacteria or virus to underlying macrophages for processing and presentation of antigen they use their cilia to propel mucus out of the small intestine trap virus in mucus and prevent entry induce apoptosis in virus-infected small intestinal epithelia cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following proteins would not need localization signal? A cell surface protein A protein bound to the endoplasmic reticulum (ER) membrane A cytosolic protein A nuclear protein A cell surface protein A protein bound to the endoplasmic reticulum (ER) membrane A cytosolic protein A nuclear protein ANSWER DOWNLOAD EXAMIANS APP
Immune System T cell receptors (or TCR) on CD4+ T cells recognize peptides associated with MHC class I molecules recognize peptides associated with MHC class II molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class I molecules recognize peptides associated with MHC class II molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is CD8 interleukin actin HLA CD8 interleukin actin HLA ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be lipid protein polysaccharide any of these lipid protein polysaccharide any of these ANSWER DOWNLOAD EXAMIANS APP