Dr. Tonegawa won the Nobel Prize for discovering how the body can constantly change its genes to fashion a seeming unlimited number of antibodies, each specifically targeted at an invading microbe or foreign substance.
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Aseeming unlimited number of antibodies, each specifically targeted at
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Bseeming unlimited number of antibodies, each targeted specifically to
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Cseeming unlimited number of antibodies, all specifically targeted at
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Dseemingly unlimited number of antibodies, all of them targeted specifically to
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Eseemingly unlimited number of antibodies, each targeted specifically at
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正确答案: E