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Multiple Choice
When is mitosis considered complete in the eukaryotic cell cycle?
A
Only after cytokinesis is finished and the cytoplasm has fully divided into two daughter cells
B
At the end of metaphase, when chromosomes are aligned at the metaphase plate
C
At the end of telophase, when two separate nuclei have re-formed around the segregated chromosomes
D
At the end of anaphase, when sister chromatids begin moving toward opposite poles
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Verified step by step guidance
1
Understand that mitosis is the process of nuclear division in eukaryotic cells, which ensures that each daughter cell receives an identical set of chromosomes.
Recall the stages of mitosis: prophase, metaphase, anaphase, and telophase, each with distinct events related to chromosome behavior and nuclear structure.
Identify that mitosis is considered complete when the chromosomes have been fully segregated and two new nuclei have formed around them, which occurs at the end of telophase.
Recognize that cytokinesis, the division of the cytoplasm, follows mitosis and is a separate process that completes cell division but is not part of mitosis itself.
Therefore, mitosis ends at the conclusion of telophase, marked by the re-formation of two distinct nuclei around the separated chromosome sets.