Multiple Choice
In which phase of mitosis does the nuclear envelope break down and spindle fibers form?
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3. Energy & Cell Processes
Phases of Mitosis
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During which phase of mitosis does the nuclear membrane form around the chromosomes?
A
Metaphase
B
Anaphase
C
Prophase
D
Telophase
Verified step by step guidance1
Understand the stages of mitosis: Mitosis is divided into several phases: prophase, metaphase, anaphase, and telophase.
Recall the events of each phase: In prophase, the nuclear membrane begins to disintegrate. In metaphase, chromosomes align at the cell's equator. In anaphase, sister chromatids are pulled apart to opposite poles.
Focus on telophase: During telophase, the chromosomes reach the opposite poles of the cell.
Identify the key event in telophase: The nuclear membrane reforms around each set of chromosomes, creating two separate nuclei within the cell.
Conclude that the nuclear membrane formation around chromosomes occurs during telophase, completing the process of mitosis.
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