Centromere is required for:
Correct answer: A. Movement of chromosomes towards poles
- A. Movement of chromosomes towards poles
- B. Cytoplasmic cleavage
- C. Crossing over
- D. Transcription
Explanation
The centromere is crucial during cell division as it is the region where spindle fibers attach to chromosomes, facilitating their movement toward opposite poles during mitosis and meiosis. This ensures that each daughter cell receives the correct number of chromosomes.
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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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