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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About Cytoplasmic Organelles
Cytoplasmic organelles are the specialized structures suspended in cytoplasm, including mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles and centrosomes. Questions compare their structures and functions in animal and plant cells, including chloroplasts and the role of the endomembrane system in transport and secretion.
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