Question

Who modified cell theory?

Answer 1

Cell theory :

1. Cell theory states that all organisms are made up of cells and cells are the basic unit of life.
2. The cell theory was first developed in 1839 by Matthias Jacob Schleiden and Theodor Schwann.
3. In 1855, the cell theory was modified by Rudolph Virchow and it states that,

• All living things are made up of cells.
• All cells arise from preexisting cells.