Word: amoebae
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Dates: during 1970-1979
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Chemical Hostility. Danielli and his collaborators, Joan Lorch and Kwang W. Jeon, worked with the amoeba's three major components: the nucleus (central control center), the cytoplasm (gel-like body matter) and the cell membrane (outer wall). In a typical experiment, they carefully removed the nucleus of one amoeba with a microprobe and sucked out most of the cell's cytoplasm with a tiny pipette. Then they inserted into the remaining cell membrane a nucleus and cytoplasm that had been similarly removed from other cells. In more than 70% of their attempts, the transplant produced a completely viable...