Nucleus was discovered by:
Correct answer: C. Robert Brown
- A. Waldyne
- B. T.H. Margan
- C. Robert Brown
- D. Kohler
Explanation
The correct answer is Robert Brown, who discovered the cell nucleus in 1831 while examining plant cells under a microscope. His observations laid foundational work for cell biology. Other options like Waldyne and Kohler are not associated with this discovery, and T.H. Margan is a misspelling of T.H. Morgan, who was unrelated to the discovery of the nucleus.
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About Animal and Plant Cell
Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
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