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Differentiate between MHC class I and MHC Class II molecules MHC I MHC II Polypeptide chain a-chain, B2-microglobulin a-chain and B-chain T-cell receptor binding site A3 binds to CD8 B2…...
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What are the differences between T-cell dependent and T-cell independent antigens T-cell dependent antigen T-cell independent antigen (TI) Chemical nature Protein Ti type I: Lipopolysaccharide; TI type II: Polymeric proteins…...
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Differentiate between somatic recombination and somatic hypermutation Somatic recombination Somatic hypermutation Definition Random combination of heavy chain gene segments Random mutations introduced into the gene segments coding for the variable…...
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A 14 year old girl has a long history of excessive swelling after mild traumatic injury. Past 2 years she has complained of 7 episodes of intermittent abdominal pain sometimes…...
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What are the differences between the key features of the Innate and adaptive immunity Innate immune system Adaptive immune system Key components Physical and Biochemical barriers, Complements, Antigen presenting cells,…...
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Distinguish between spermatogonia type A and type B Spermatogonia A dark (Ad) Spermatogonia A pale (Ap) Spermatogonia B Ovoid nuclei Ovoid nuclei Spherical Nuclei Densely staining basophilic chromatin Lightly staining…...
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