Name: Last splenic periarteriolar lymphatic tissue A) provide an infrastructure
ID: 274381 • Letter: N
Question
Name: Last splenic periarteriolar lymphatic tissue A) provide an infrastructure that on antige 1. The germinal centers found in the cortical region of lymph nodes an nic stimulation contains large populations B function in the removal of damaged erythrocytes from the circulation. c are the sites of NK-cell differentiation. lymphocytes and plasma cells. D) act as the major source of stem cells and thus help to maintain hematopoiesis. 2. Processing of antigen for presentation by MHC I involves, in the order given, A) TAP, Proteasome. B) Proteasome, lysosome, TAP c Proteasome, TAP, release of invariant chain. D) Proteasome, TAP. 3. "Apoptosis" means ) Programmed cell death. B) Necrosis. Excess apocytes in the blood. Dy Without poptosis. Which of the following apply uniquely to secondary lymphoid organs? A) terminal differentiation. B) cellular proliferation. circulation of lymphocytes D) presence of precursor B and T cells. s. The following properties render a substance immunogenic: A) sufficient stability and persistence after injection. B high molecular weight. chemical complexity. D) All of the above essential are essential but still may not be sufficient.Explanation / Answer
Please find the answers below:
Answer 1: Choice A (The germinal centers of the lymph nodes are the site for initiation of immune response in the body)
Answer 2: Choice B (The proteasomal degradation leads to generation of small fragments of the antigen which are digested in the lysosomes. These fragments are then finally processed with relevance to the TAP proteins)
Answer 3: Choice A (Apoptosis refers to programmed cell death i.e. programmed cellular events leading to cell death)
Answer 4: Choice D (The secondary lymphoid organs carry precursor B and T lymphocytes which help in initiating the immune response in the body)
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