Biology-Cellular-MyTest-02
Which COMPETENCY was used to compose this question?
In 1838, the German botanist Matthias Schleiden and his colleague Theodor Schwann proposed the first two tenets of the cell theory. However, it wasn't until 1855 that ________________ contributed the third pillar by stating that all cells arise from pre-existing cells.
- Rudolf Virchow
- Robert Hooke
- Louis Pasteur
- Gregor Mendel