Stage of mitosis characterized by physical separation of sister chromatids is:
Correct answer: D. Anaphase
- A. Interphase
- B. Prophase
- C. Metaphase
- D. Anaphase
- E. Telophase
Explanation
Anaphase is a stage in both mitosis and meiosis, two fundamental processes of cell division. It follows the metaphase stage and precedes the final stages of cell division. During anaphase, specific events occur to ensure the orderly and precise separation of genetic material. In both mitosis and meiosis, the sister chromatids, which are two identical copies of a chromosome connected at the centromere, are pulled apart. Each sister chromatid is now considered an individual chromosome.
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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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