Clonal selection is one of the most powerful tools in the armoury of the immune system. Any single lymphocyte (B or T cell) expresses receptors with a single specificity, and at any given time there will be millions of lymphocytes with millions of different specificities in your body. These lymphocytes remain inactive (naà¯ve), until their receptors are engaged by an appropriate antigen under the correct conditions of lymphocyte stimulation (such as ...
This solution provides a detailed explanation of the given biology questions regarding the human immune system.
Live vs. cadeveric donors - tissue engineering
1. Liver and lung lobes and kidneys can be transplanted via live donor. Find an article that describes the differences between live donor and cadaveric organ transplantation. Post a brief summary of the advantages and disadvantages of live vs. cadaveric transplants?
2. What is your position on organ transplantation?
3. Does the ability to do live donor transplantation affect your position?
4. How might tissue engineering affect organ transplantation? Find an article that supports your position.
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