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What is cell theory?

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Cell theory was passed by Schleiden (1838) and Schwann (1839).

Cell theory was further developed by Virchow in 1855.

According to cell theory,

  • The cell is the basic unit of life. (Schleiden and Schwann)
  • All plants and animals consist of cells. (Schleiden and Schwann)
  • All the cells arise from pre-existing cells. (Virchow)
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