What part of eukaryotic cell division involves the division of the cell nucleus?

The division of the cell nucleus in eukaryotic cell division is specifically described by the process of mitosis. During mitosis, the replicated chromosomes are efficiently separated into two distinct nuclei, ensuring that each daughter cell receives an identical set of chromosomes. This process involves several stages, including prophase, metaphase, anaphase, and telophase, all of which contribute to the precise distribution of nuclear material.

While meiosis is another type of cell division that includes nuclear division, it is specifically for producing gametes and involves two rounds of division, which is different from the purpose of mitosis. Cytokinesis, on the other hand, is the final step of the cell division process where the cytoplasm splits to form two separate cells, but it occurs after mitosis has completed. Telophase, a stage within mitosis, is indeed part of the nuclear division process, but it does not refer to the entire process itself. Therefore, mitosis is the most accurate answer regarding the division of the cell nucleus.