Immune System Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? By the combination of different heavy and light chains that form the antigen binding site Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes 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 Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes By rearrangements of the DNA encoding the variable regions of the heavy and light chains 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 Which of the following expresses CD3 surface antigen? T cells Granulocytes Monocytes B cells T cells Granulocytes Monocytes 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 cell surface protein A protein bound to the endoplasmic reticulum (ER) membrane A nuclear protein A cytosolic protein A cell surface protein A protein bound to the endoplasmic reticulum (ER) membrane ANSWER DOWNLOAD EXAMIANS APP
Immune System Following are the defenses of the colon except dense resident microbiota sIgA fast flow rate mucus dense resident microbiota sIgA fast flow rate mucus ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in suppresssor T cells cytotoxic T cells none of these both (a) and (b) suppresssor T cells cytotoxic T cells none of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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