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2 St. 9 Min, 21 Jan 1855 Jahr - 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.

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Cell Membrane Timeline

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8 Nov 2017
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2 St. 9 Min, 21 Jan 1855 Jahr
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~ 170 years ago
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