Quiz on Cell Theory

Theodor Schwann, a zoologist, extended the cell theory to include animals and proposed that all living things are composed of cells. Rudolf Virchow later added the concept that all cells come from pre-existing cells.

Matthias Schleiden, a botanist, proposed that all plant tissues are composed of cells, contributing to the idea that all living organisms are made up of cells.

Robert Hooke is credited with being the first scientist to observe and describe cells in cork tissue, laying the foundation for the study of cells.

The cell theory rejects the idea of spontaneous generation, which suggests that cells can arise from non-living matter. Instead, it states that cells only come from pre-existing cells.

Louis Pasteur is credited with contributing to the formulation of the cell theory through his experiments and observations on microorganisms, which supported the idea that cells are the fundamental units of life.