Questions: Cytokinesis often, but not always, accompanies
prometaphase
metaphase
interphase
anaphase
telophase
Transcript text: Part B
Cytokinesis often, but not always, accompanies
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prometaphase
metaphase
interphase
anaphase
telophase
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Solution
The answer is the last one: telophase.
Explanation for each option:
Prometaphase: This is a stage of mitosis following prophase and preceding metaphase. During prometaphase, the nuclear envelope breaks down, and the spindle fibers attach to the chromosomes. Cytokinesis does not occur during this phase.
Metaphase: In this stage, chromosomes align at the metaphase plate. Cytokinesis does not occur during metaphase; it is primarily concerned with the alignment of chromosomes.
Interphase: This is the phase of the cell cycle when the cell is not dividing. It includes the G1, S, and G2 phases, where the cell grows and DNA is replicated. Cytokinesis does not occur during interphase.
Anaphase: During anaphase, sister chromatids are pulled apart to opposite poles of the cell. Cytokinesis does not occur during anaphase; it is focused on the separation of chromatids.
Telophase: This is the final stage of mitosis, where the chromosomes arrive at opposite poles, and the nuclear envelope re-forms around each set of chromosomes. Cytokinesis often accompanies telophase, as it is the process where the cytoplasm divides, resulting in two separate daughter cells.
Summary: Cytokinesis often accompanies telophase, as this is the stage where the cell completes division by splitting the cytoplasm and forming two distinct daughter cells.