Scelta multipla
In which phase of mitosis do the sister chromatids pull apart?
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11. Cell Division
Phases of Mitosis
Scelta multipla
Anaphase begins as soon as what event occurs during mitosis?
A
The chromosomes align at the metaphase plate
B
The sister chromatids separate and move toward opposite poles
C
The cell membrane starts to pinch inwards
D
The nuclear envelope breaks down
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Understand the stages of mitosis: Mitosis is divided into several phases: prophase, metaphase, anaphase, and telophase. Each phase has distinct events that occur.
Identify the key event of anaphase: Anaphase is characterized by the separation of sister chromatids. This is a critical event that marks the beginning of anaphase.
Recognize the role of the metaphase plate: During metaphase, chromosomes align at the metaphase plate, preparing for separation. This alignment is crucial for the proper distribution of chromatids.
Describe the separation process: The sister chromatids are pulled apart by spindle fibers attached to the centromeres, moving toward opposite poles of the cell.
Clarify the significance of anaphase: The separation of sister chromatids ensures that each daughter cell receives an identical set of chromosomes, which is essential for genetic consistency.
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