Word: glycogen
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Dates: during 1930-1939
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First he pictures the living cell (normal or cancerous) and its system: 1) nucleus, 2) protoplasm, 3) semipermeable cell membrane, 4) environment (blood and tissue juices). From its environment the cell gets its energy-producing materials. Through its environment it gets rid of its wastes. Glycogen, or animal sugar, is almost the sole source of cell energy. In normal cells half the absorbed glycogen is oxidized, half turned to lactic acid. In cancerous cells, for every 13 glycogen molecules, twelve split up into lactic acid and one is oxidized...