Who opposed the idea the cell is an empty space bounded by thick wall?
Correct answer: C. Robert Brown
- A. Lorenz Oken
- B. Schwann
- C. Robert Brown
- D. Rudolph Virchow
Explanation
Robert Brown's discovery of the nucleus showed that a cell is not merely an empty space enclosed by a wall, because it contains an internal, organized structure. Students may choose Schwann because he helped formulate cell theory, but Brown's observation more directly opposed the empty-cell idea.
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