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8 December, 20:49

When technological advancement was necessary before scientists could begin to observe cells

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  1. 8 December, 22:39
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    Oh boy. I think it was the microscope or the earlier version of that.
  2. 8 December, 23:18
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    Cells are the tiniest structural and functional unit of a living organism. They consist of nucleus and cytoplasm that are enclosed in a membrane. The cells are invisible to the naked eye and hence a microscope was needed to observe them. Robert Hooke was the first scientist to observe them under the microscope.
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