2 ore 9 min, 21 gen 1855 anni - C. Naegli and C. Cramer: They discovered the cell membrane as they realized there must be another barrier or osmosis would not make sense.
Descrizione:
They discovered the cell membrane as they realized there must be another barrier or osmosis would not make sense.
Aggiunto al nastro di tempo:
Data:
2 ore 9 min, 21 gen 1855 anni
Adesso
~ 170 years ago