1.Describe the structural features of antigen binding groove of MHC class II molecule. 2. Explain MHC polymorphism. 3. Name the four classes of PRR families. 4. What is meant by endocytic PRRs? List...

2. Explain MHC polymorphism. 3. Name the four classes of PRR families. 4. What is meant by endocytic PRRs? List different endocytic PRRs. 5. Explain how innate and adaptive immunity cross talk? 6. List out the cells that can process and present exogenous antigens.