history of the cell

By caroomerkt
  • Period: 1635 BCE to 1702 BCE

    early observations done

    robert hooke started making early observations in slices of cork, then he opened them and said that these were the basci unit of living organism
  • Period: 1632 BCE to 1723 BCE

    microscope

    antony van leeuwenhoek first observed single cell organisms and was the first one to observe a red blod cell and a sperm cell

  • theodor schwann and matthias hielden

    the cell is the only unit of life and from by free cell formation

  • george otto gey

    All known living things are made up of cells.
    The cell is structural & functional unit of all living things.
    All cells come from pre-existing cells by division. (Spontaneous Generation does not occur).
    Cells contains hereditary information which is passed from cell to cell during cell division.
    All cells are basically the same in chemical composition.
    All energy flow (metabolism & biochemistry) of life occurs within cells.