Multiple Choice
A cell in telophase would have which of the following characteristics?
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3. Energy & Cell Processes
Phases of Mitosis
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Which of the following events occurs during prometaphase of mitosis?
A
Sister chromatids are pulled apart.
B
Chromosomes align at the metaphase plate.
C
The cell grows and duplicates its DNA.
D
The nuclear envelope breaks down.
Verified step by step guidance1
Understand the stages of mitosis: Mitosis is divided into several stages: prophase, prometaphase, metaphase, anaphase, and telophase.
Identify the key events in prometaphase: During prometaphase, the nuclear envelope breaks down, allowing spindle fibers to interact with chromosomes.
Differentiate prometaphase from other stages: In prophase, chromosomes condense and become visible. In metaphase, chromosomes align at the metaphase plate. In anaphase, sister chromatids are pulled apart.
Recognize the role of the nuclear envelope: The breakdown of the nuclear envelope is crucial for the spindle fibers to attach to the kinetochores on the chromosomes.
Conclude with the correct event: Based on the understanding of prometaphase, the correct event is the breakdown of the nuclear envelope.
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