In metaphase I, the structures arranged at the equator are:
Correct answer: B. Bivalents
- A. Chromatids
- B. Bivalents
- C. Chromosomes
- D. Centrioles
Explanation
Metaphase 1 of meiosis I is characterized by the disorganization of the nuclear membrane. Spindle fibers originate and the kinetochore libers attach to the kinetochore of homologous chromosomes from each pole and arrange bivalents at the equator.
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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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