Complete Question:
Cell theory states that all living organisms are made up of one or more cells. Which of the following statements is FALSE regarding this theory?
A. The cell theory describes the basic properties of all cells.
B. The three scientists that contributed to the development of cell theory are Matthias Schleiden, Theodor Schwann, and Rudolf Virchow.
C. A component of the cell theory is that all living things are composed of one or more cells.
D. A component of the cell theory is that the cell is the basic unit of life.
E. A component of the cell theory is that all new cells arise from existing cells.
Answer: Option B
Explanation: The cell was first described by Robert Hooke (an English scientist) in 1665. He discovered the honey-comb structure of the cell during his observation on a thin slice of a cork of an oak tree. He discovered thin compartment within the cork. He his often regarded as the father of cell.
However, Felix Dujardin (a French scientist) in 1835, discovered that cell was made up of living components. Which he named protoplasm.
Then, a German botanist named Matthias Schleiden in 1838, discovered the plants are composed of cells. A year later after Matthias discovery, Theodor Schwann also discovered that the animals bodies are made up of cells. These discoveries led to Cell Theory Postulation in 1839.
Conclusively, In 1855 a German biologist named Rudolf Von Virchow, concluded that all cells come from previously existing cells after his research.