By which means of acquiring immunity is likely to produce the longest lasting protection? artificial active passive natural Active, artificial, natural, and passive all provide equally long-lasting protection. Each antibody molecule consists of a "light" protein chain.

By which means of acquiring immunity is likely to produce the longest lasting protection? artificial active passive natural Active, artificial, natural, and passive all provide equally long-lasting protection. Each antibody molecule consists of a “light” protein chain. two light and two heavy protein chains. a “heavy” protein chain. one light and one heavy protein chain. various combinations of light and heavy protein chains. QUESTION 11 How is the immune system able to recognize a limitless number of different antigens and epitopes? While each lymphocyte carries receptors that recognize only one type of epitope, the immune system produces a wide variety of lymphocytes each of which carries unique receptors. A genetic “memory” of the pathogens your parents encountered (and their parents and so on) is passed on to each generation, increasing the number of possible responses over time Each lymphocyte is coated with many different receptors, each of which recognizes a different epitope. If a lymphocyte encounters an antigen it does not recognize, it immediately switches receptors until it finds one that is a match Each lymphocyte is coated with many different receptors, each of which recognizes a different epitope AND the immune system produces a wide variety of lymphocytes. QUESTION 18 The branches of adaptive immunity are the antigen response and the memory response. the cellular response, the humoral response, and the memory response. the humoral response and the memory response. the cellular response and the humoral response. the cellular response and the memory response. QUESTION 27 1 When “matching” a donated organ or tissue to a recipient, it is necessary that the of the donor and the recipient be as similar as possible blood type мнCS APCS antibodies T helper cells

 
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