An individual is infected with — i Intracellular bacteria and ii) Extracellular bacteria. Which kind(s) of immune response will be expected in each case?
1 Answer What are chemokines? Give one example.
1 Answer Explain briefly whether the following statements are true or false : (i) Dendritic cells arise only from the lymphoid organ. (ii) All TH cells express CD4 and recognize only antigen associated with class II MHC molecule. (iii) A hapten can stimulate antibody formation but cannot combine with many different antibody molecules. (iv) In order for … Read more
1 Answer Most viruses and bacteria enter cells via specific receptors. Why would a cell have receptors that allow pathogens to enter?
1 Answer Which region of the whole MHC molecule shows the highest amino acid variation? What roles do anchor residues play in peptide binding by MHC molecules?
1 Answer What is the role of Mucosal-Associated Lymphoid Tissue (MALT) in host defence?
1 Answer Compare and contrast the BCR and TCR in terms of the following characteristics : (i) Specificity for antigen (ii) Cellular expression (iii) Types of Ag recognized.
1 Answer What is a major source of non-protein antigens?
1 Answer What are sequential and non-sequential epitopes?
1 Answer Justify — Infection has no influence on the rate of hematopoiesis.
1 Answer
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BNO Team