The place on chromosomes where spindle fibres are attached during cell division is called:
Correct answer: A. Centromere
- A. Centromere
- B. Chromatid
- C. Secondary constriction
- D. Nucleosome
Explanation
Centromere or primary constriction is that part of chromosome that links sister chromatids or a dyad. During mitosis, spindle fibers are attached to centromere via the kinetochore.
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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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