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Who discovered the cell?
Robert Hooke in 1665 — while observing cork under a microscope
Who first observed living cells?
Anton van Leeuwenhoek
What is cell theory?
All living organisms are made of cells; the cell is the basic unit of life; all cells arise from pre-existing cells
What is a prokaryotic cell?
A cell without a true nucleus or membrane-bound organelles. e.g. bacteria
What is a eukaryotic cell?
A cell with a true nucleus and membrane-bound organelles. e.g. plant and animal cells
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