2 ч 9 мин, 21 янв 1855 г. - C. Naegli and C. Cramer: They discovered the cell membrane as they realized there must be another barrier or osmosis would not make sense.
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They discovered the cell membrane as they realized there must be another barrier or osmosis would not make sense.Добавлено на ленту времени:
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2 ч 9 мин, 21 янв 1855 г.
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~ 170 г назад