In which group of eukaryotic organisms does the nuclear envelope remain intact during mitosis?
Correct answer: A. Seedless plants
- A. Seedless plants
- B. Dinoflagellates
- C. Diatoms
- D. (B) and (C) only
- E. (A), (B) and (C)
Explanation
In seedless plants, which are a group of eukaryotic organisms, the nuclear envelope typically remains intact during mitosis. This is a characteristic feature of plants, including both seedless and seed-producing plants. Unlike in many animal cells where the nuclear envelope breaks down during mitosis, plant cells often undergo a process called closed mitosis, where the nuclear envelope remains intact throughout the process.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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