In 1838, who published an article discussing the structure and origin of plant cells?

Matthias Schleiden

The correct answer is Option 3 - Matthias Schleiden

In 1838, the German botanist Matthias Jakob Schleiden published an article discussing the structure and origin of plant cells. Schleiden, along with Theodor Schwann, formulated the cell theory, which proposed that all living organisms are composed of cells, and cells are the basic units of structure and function in living organisms. Schleiden's work significantly contributed to our understanding of plant biology and laid the foundation for modern cell biology.