martes, 29 de septiembre de 2009

Discovery of cells

Cells were discovered in 1665 by Robert Hooke. Among the first structures he examined (with his creation: the light microscop), he found a thin piece of cork which he described as being made of hundreds of little boxes. He called these little things CELLS.

Cell Theory
Cells are the basics units of life. Its theory states that:

  • cells form the building blocks of living arganisms

  • cells araise only by the division of existing cells
  • cells contain inherited information which control their activities
  • the cell is the functioning unit of life (metabolism takes place in them)
  • cells are capable of independent existence (given suitable conditions)

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