Cell Theory –Cell Structure and Function –Class 8 NCERT Notes

Cell Theory

In 1838 German biologist Mathias Schleiden and Theodor Schwann put forward the cell theory of life

  • Cell is a mass of Protoplasm containing a nucleus .
  • Cell is bounded by a cell membrane and in many cases by a cell wallas well .
  • All living things are made up of one or more cells.
  • Cells are basic structural units of Living Organism; They are complex living structure.
  • All cells are similar in their basic structure but are not identical. They differ in size, function and structure.
  • New cells are formed due to division of old cells.
  • The organisation of cells in the body of living organisms determines its structure.
  • The way in which an organism performs function depends on the way the cell works.

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