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6.1.2. Cell theory

Cell theory

SchwannSchleiden, and other researchers defined the following postulates of cell theory:

  • The cell is a morphological unit of every living being. All organisms are made up of one or more cells.
  • Every cell comes from another preceding cell. Virchow claimed that Omnis cellula ex cellula, denying the theory of spontaneous generation.
  • The vital functions of organisms, the chemical reactions that constitute metabolism, occur within cells.
  • Each cell has the genetic information for its own maintenance, as well as for the transmission of that information to the next cell generation.